8215164575

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 11283355200

約数和(自身を除く): 3068190625

約数列:

[1, 5, 17, 25, 37, 79, 85, 185, 289, 389, 395, 425, 629, 925, 1343, 1445, 1945, 1975, 2923, 3145, 6613, 6715, 7225, 9725, 10693, 14393, 14615, 15725, 22831, 30731, 33065, 33575, 49691, 53465, 71965, 73075, 112421, 114155, 153655, 165325, 244681, 248455, 267325, 359825, 522427, 562105, 570775, 768275, 844747, 1137047, 1223405, 1242275, 2612135, 2810525, 4159577, 4223735, 5685235, 6117025, 8881259, 13060675, 19329799, 20797885, 21118675, 28426175, 44406295, 96648995, 103989425, 222031475, 328606583, 483244975, 1643032915, 8215164575]

約数ペア:

[(1, 8215164575), (5, 1643032915), (17, 483244975), (25, 328606583), (37, 222031475), (79, 103989425), (85, 96648995), (185, 44406295), (289, 28426175), (389, 21118675), (395, 20797885), (425, 19329799), (629, 13060675), (925, 8881259), (1343, 6117025), (1445, 5685235), (1945, 4223735), (1975, 4159577), (2923, 2810525), (3145, 2612135), (6613, 1242275), (6715, 1223405), (7225, 1137047), (9725, 844747), (10693, 768275), (14393, 570775), (14615, 562105), (15725, 522427), (22831, 359825), (30731, 267325), (33065, 248455), (33575, 244681), (49691, 165325), (53465, 153655), (71965, 114155), (73075, 112421)]