257447112

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 737251200

約数和(自身を除く): 479804088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 137, 152, 156, 228, 247, 274, 312, 317, 411, 456, 494, 548, 634, 741, 822, 951, 988, 1096, 1268, 1482, 1644, 1781, 1902, 1976, 2536, 2603, 2964, 3288, 3562, 3804, 4121, 5206, 5343, 5928, 6023, 7124, 7608, 7809, 8242, 10412, 10686, 12046, 12363, 14248, 15618, 16484, 18069, 20824, 21372, 24092, 24726, 31236, 32968, 33839, 36138, 42744, 43429, 48184, 49452, 62472, 67678, 72276, 78299, 86858, 98904, 101517, 130287, 135356, 144552, 156598, 173716, 203034, 234897, 260574, 270712, 313196, 347432, 406068, 469794, 521148, 564577, 626392, 812136, 825151, 939588, 1042296, 1129154, 1650302, 1693731, 1879176, 2258308, 2475453, 3300604, 3387462, 4516616, 4950906, 6601208, 6774924, 9901812, 10726963, 13549848, 19803624, 21453926, 32180889, 42907852, 64361778, 85815704, 128723556, 257447112]

約数ペア:

[(1, 257447112), (2, 128723556), (3, 85815704), (4, 64361778), (6, 42907852), (8, 32180889), (12, 21453926), (13, 19803624), (19, 13549848), (24, 10726963), (26, 9901812), (38, 6774924), (39, 6601208), (52, 4950906), (57, 4516616), (76, 3387462), (78, 3300604), (104, 2475453), (114, 2258308), (137, 1879176), (152, 1693731), (156, 1650302), (228, 1129154), (247, 1042296), (274, 939588), (312, 825151), (317, 812136), (411, 626392), (456, 564577), (494, 521148), (548, 469794), (634, 406068), (741, 347432), (822, 313196), (951, 270712), (988, 260574), (1096, 234897), (1268, 203034), (1482, 173716), (1644, 156598), (1781, 144552), (1902, 135356), (1976, 130287), (2536, 101517), (2603, 98904), (2964, 86858), (3288, 78299), (3562, 72276), (3804, 67678), (4121, 62472), (5206, 49452), (5343, 48184), (5928, 43429), (6023, 42744), (7124, 36138), (7608, 33839), (7809, 32968), (8242, 31236), (10412, 24726), (10686, 24092), (12046, 21372), (12363, 20824), (14248, 18069), (15618, 16484)]