64963325

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 96243840

約数和(自身を除く): 31280515

約数列:

[1, 5, 7, 25, 35, 43, 89, 97, 175, 215, 301, 445, 485, 623, 679, 1075, 1505, 2225, 2425, 3115, 3395, 3827, 4171, 7525, 8633, 15575, 16975, 19135, 20855, 26789, 29197, 43165, 60431, 95675, 104275, 133945, 145985, 215825, 302155, 371219, 669725, 729925, 1510775, 1856095, 2598533, 9280475, 12992665, 64963325]

約数ペア:

[(1, 64963325), (5, 12992665), (7, 9280475), (25, 2598533), (35, 1856095), (43, 1510775), (89, 729925), (97, 669725), (175, 371219), (215, 302155), (301, 215825), (445, 145985), (485, 133945), (623, 104275), (679, 95675), (1075, 60431), (1505, 43165), (2225, 29197), (2425, 26789), (3115, 20855), (3395, 19135), (3827, 16975), (4171, 15575), (7525, 8633)]