649898392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 1487404800

約数和(自身を除く): 837506408

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 61, 67, 88, 104, 122, 134, 139, 143, 244, 268, 278, 286, 488, 536, 556, 572, 671, 737, 793, 871, 1112, 1144, 1342, 1474, 1529, 1586, 1742, 1807, 2684, 2948, 3058, 3172, 3484, 3614, 4087, 5368, 5896, 6116, 6344, 6968, 7228, 8174, 8479, 8723, 9313, 9581, 12232, 14456, 16348, 16958, 17446, 18626, 19162, 19877, 32696, 33916, 34892, 37252, 38324, 39754, 44957, 53131, 67832, 69784, 74504, 76648, 79508, 89914, 93269, 102443, 106262, 110227, 121069, 159016, 179828, 186538, 204886, 212524, 220454, 242138, 359656, 373076, 409772, 425048, 440908, 484276, 568093, 584441, 746152, 819544, 881816, 968552, 1136186, 1168882, 1212497, 1331759, 2272372, 2337764, 2424994, 2663518, 4544744, 4675528, 4849988, 5327036, 6249023, 7385209, 9699976, 10654072, 12498046, 14770418, 24996092, 29540836, 49992184, 59081672, 81237299, 162474598, 324949196, 649898392]

約数ペア:

[(1, 649898392), (2, 324949196), (4, 162474598), (8, 81237299), (11, 59081672), (13, 49992184), (22, 29540836), (26, 24996092), (44, 14770418), (52, 12498046), (61, 10654072), (67, 9699976), (88, 7385209), (104, 6249023), (122, 5327036), (134, 4849988), (139, 4675528), (143, 4544744), (244, 2663518), (268, 2424994), (278, 2337764), (286, 2272372), (488, 1331759), (536, 1212497), (556, 1168882), (572, 1136186), (671, 968552), (737, 881816), (793, 819544), (871, 746152), (1112, 584441), (1144, 568093), (1342, 484276), (1474, 440908), (1529, 425048), (1586, 409772), (1742, 373076), (1807, 359656), (2684, 242138), (2948, 220454), (3058, 212524), (3172, 204886), (3484, 186538), (3614, 179828), (4087, 159016), (5368, 121069), (5896, 110227), (6116, 106262), (6344, 102443), (6968, 93269), (7228, 89914), (8174, 79508), (8479, 76648), (8723, 74504), (9313, 69784), (9581, 67832), (12232, 53131), (14456, 44957), (16348, 39754), (16958, 38324), (17446, 37252), (18626, 34892), (19162, 33916), (19877, 32696)]