257361624

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:391

約数の個数: 160

約数和(自身を含む): 785473920

約数和(自身を除く): 528112296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 137, 156, 162, 216, 223, 234, 274, 312, 324, 351, 411, 446, 468, 548, 648, 669, 702, 822, 892, 936, 1053, 1096, 1233, 1338, 1404, 1644, 1781, 1784, 2007, 2106, 2466, 2676, 2808, 2899, 3288, 3562, 3699, 4014, 4212, 4932, 5343, 5352, 5798, 6021, 7124, 7398, 8028, 8424, 8697, 9864, 10686, 11097, 11596, 12042, 14248, 14796, 16029, 16056, 17394, 18063, 21372, 22194, 23192, 24084, 26091, 29592, 30551, 32058, 34788, 36126, 42744, 44388, 48087, 48168, 52182, 61102, 64116, 69576, 72252, 78273, 88776, 91653, 96174, 104364, 122204, 128232, 144261, 144504, 156546, 183306, 192348, 208728, 234819, 244408, 274959, 288522, 313092, 366612, 384696, 397163, 469638, 549918, 577044, 626184, 733224, 794326, 824877, 939276, 1099836, 1154088, 1191489, 1588652, 1649754, 1878552, 2199672, 2382978, 2474631, 3177304, 3299508, 3574467, 4765956, 4949262, 6599016, 7148934, 9531912, 9898524, 10723401, 14297868, 19797048, 21446802, 28595736, 32170203, 42893604, 64340406, 85787208, 128680812, 257361624]

約数ペア:

[(1, 257361624), (2, 128680812), (3, 85787208), (4, 64340406), (6, 42893604), (8, 32170203), (9, 28595736), (12, 21446802), (13, 19797048), (18, 14297868), (24, 10723401), (26, 9898524), (27, 9531912), (36, 7148934), (39, 6599016), (52, 4949262), (54, 4765956), (72, 3574467), (78, 3299508), (81, 3177304), (104, 2474631), (108, 2382978), (117, 2199672), (137, 1878552), (156, 1649754), (162, 1588652), (216, 1191489), (223, 1154088), (234, 1099836), (274, 939276), (312, 824877), (324, 794326), (351, 733224), (411, 626184), (446, 577044), (468, 549918), (548, 469638), (648, 397163), (669, 384696), (702, 366612), (822, 313092), (892, 288522), (936, 274959), (1053, 244408), (1096, 234819), (1233, 208728), (1338, 192348), (1404, 183306), (1644, 156546), (1781, 144504), (1784, 144261), (2007, 128232), (2106, 122204), (2466, 104364), (2676, 96174), (2808, 91653), (2899, 88776), (3288, 78273), (3562, 72252), (3699, 69576), (4014, 64116), (4212, 61102), (4932, 52182), (5343, 48168), (5352, 48087), (5798, 44388), (6021, 42744), (7124, 36126), (7398, 34788), (8028, 32058), (8424, 30551), (8697, 29592), (9864, 26091), (10686, 24084), (11097, 23192), (11596, 22194), (12042, 21372), (14248, 18063), (14796, 17394), (16029, 16056)]