156968172725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{213613}}^1$

素因数の和:213679

約数の個数: 96

約数和(自身を含む): 267000410880

約数和(自身を除く): 110032238155

約数列:

[1, 5, 7, 13, 17, 19, 25, 35, 65, 85, 91, 95, 119, 133, 175, 221, 247, 323, 325, 425, 455, 475, 595, 665, 1105, 1235, 1547, 1615, 1729, 2261, 2275, 2975, 3325, 4199, 5525, 6175, 7735, 8075, 8645, 11305, 20995, 29393, 38675, 43225, 56525, 104975, 146965, 213613, 734825, 1068065, 1495291, 2776969, 3631421, 4058647, 5340325, 7476455, 13884845, 18157105, 19438783, 20293235, 25419947, 28410529, 37382275, 47208473, 52762411, 68996999, 69424225, 90785525, 97193915, 101466175, 127099735, 142052645, 236042365, 263812055, 330459311, 344984995, 369336877, 482978993, 485969575, 635498675, 710263225, 896960987, 1180211825, 1319060275, 1652296555, 1724924975, 1846684385, 2414894965, 4484804935, 6278726909, 8261482775, 9233421925, 12074474825, 22424024675, 31393634545, 156968172725]

約数ペア:

[(1, 156968172725), (5, 31393634545), (7, 22424024675), (13, 12074474825), (17, 9233421925), (19, 8261482775), (25, 6278726909), (35, 4484804935), (65, 2414894965), (85, 1846684385), (91, 1724924975), (95, 1652296555), (119, 1319060275), (133, 1180211825), (175, 896960987), (221, 710263225), (247, 635498675), (323, 485969575), (325, 482978993), (425, 369336877), (455, 344984995), (475, 330459311), (595, 263812055), (665, 236042365), (1105, 142052645), (1235, 127099735), (1547, 101466175), (1615, 97193915), (1729, 90785525), (2261, 69424225), (2275, 68996999), (2975, 52762411), (3325, 47208473), (4199, 37382275), (5525, 28410529), (6175, 25419947), (7735, 20293235), (8075, 19438783), (8645, 18157105), (11305, 13884845), (20995, 7476455), (29393, 5340325), (38675, 4058647), (43225, 3631421), (56525, 2776969), (104975, 1495291), (146965, 1068065), (213613, 734825)]