68419505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2503}}^1$

素因数の和:2597

約数の個数: 32

約数和(自身を含む): 103845888

約数和(自身を除く): 35426383

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 355, 385, 497, 781, 2485, 2503, 3905, 5467, 12515, 17521, 27335, 27533, 87605, 137665, 177713, 192731, 888565, 963655, 1243991, 1954843, 6219955, 9774215, 13683901, 68419505]

約数ペア:

[(1, 68419505), (5, 13683901), (7, 9774215), (11, 6219955), (35, 1954843), (55, 1243991), (71, 963655), (77, 888565), (355, 192731), (385, 177713), (497, 137665), (781, 87605), (2485, 27533), (2503, 27335), (3905, 17521), (5467, 12515)]