71878625

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 113218560

約数和(自身を除く): 41339935

約数列:

[1, 5, 7, 13, 25, 35, 65, 71, 89, 91, 125, 175, 325, 355, 445, 455, 497, 623, 875, 923, 1157, 1625, 1775, 2225, 2275, 2485, 3115, 4615, 5785, 6319, 6461, 8099, 8875, 11125, 11375, 12425, 15575, 23075, 28925, 31595, 32305, 40495, 44233, 62125, 77875, 82147, 115375, 144625, 157975, 161525, 202475, 221165, 410735, 575029, 789875, 807625, 1012375, 1105825, 2053675, 2875145, 5529125, 10268375, 14375725, 71878625]

約数ペア:

[(1, 71878625), (5, 14375725), (7, 10268375), (13, 5529125), (25, 2875145), (35, 2053675), (65, 1105825), (71, 1012375), (89, 807625), (91, 789875), (125, 575029), (175, 410735), (325, 221165), (355, 202475), (445, 161525), (455, 157975), (497, 144625), (623, 115375), (875, 82147), (923, 77875), (1157, 62125), (1625, 44233), (1775, 40495), (2225, 32305), (2275, 31595), (2485, 28925), (3115, 23075), (4615, 15575), (5785, 12425), (6319, 11375), (6461, 11125), (8099, 8875)]