61803875

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 95606784

約数和(自身を除く): 33802909

約数列:

[1, 5, 7, 23, 25, 35, 37, 83, 115, 125, 161, 175, 185, 259, 415, 575, 581, 805, 851, 875, 925, 1295, 1909, 2075, 2875, 2905, 3071, 4025, 4255, 4625, 5957, 6475, 9545, 10375, 13363, 14525, 15355, 20125, 21275, 21497, 29785, 32375, 47725, 66815, 70633, 72625, 76775, 106375, 107485, 148925, 238625, 334075, 353165, 383875, 494431, 537425, 744625, 1670375, 1765825, 2472155, 2687125, 8829125, 12360775, 61803875]

約数ペア:

[(1, 61803875), (5, 12360775), (7, 8829125), (23, 2687125), (25, 2472155), (35, 1765825), (37, 1670375), (83, 744625), (115, 537425), (125, 494431), (161, 383875), (175, 353165), (185, 334075), (259, 238625), (415, 148925), (575, 107485), (581, 106375), (805, 76775), (851, 72625), (875, 70633), (925, 66815), (1295, 47725), (1909, 32375), (2075, 29785), (2875, 21497), (2905, 21275), (3071, 20125), (4025, 15355), (4255, 14525), (4625, 13363), (5957, 10375), (6475, 9545)]