86734375

素因数分解:

$5^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 56

約数和(自身を含む): 135623264

約数和(自身を除く): 48888889

約数列:

[1, 5, 7, 13, 25, 35, 61, 65, 91, 125, 175, 305, 325, 427, 455, 625, 793, 875, 1525, 1625, 2135, 2275, 3125, 3965, 4375, 5551, 7625, 8125, 10675, 11375, 15625, 19825, 21875, 27755, 38125, 40625, 53375, 56875, 99125, 109375, 138775, 190625, 203125, 266875, 284375, 495625, 693875, 953125, 1334375, 1421875, 2478125, 3469375, 6671875, 12390625, 17346875, 86734375]

約数ペア:

[(1, 86734375), (5, 17346875), (7, 12390625), (13, 6671875), (25, 3469375), (35, 2478125), (61, 1421875), (65, 1334375), (91, 953125), (125, 693875), (175, 495625), (305, 284375), (325, 266875), (427, 203125), (455, 190625), (625, 138775), (793, 109375), (875, 99125), (1525, 56875), (1625, 53375), (2135, 40625), (2275, 38125), (3125, 27755), (3965, 21875), (4375, 19825), (5551, 15625), (7625, 11375), (8125, 10675)]