68690648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{17851}}^1$

素因数の和:17907

約数の個数: 32

約数和(自身を含む): 142458960

約数和(自身を除く): 73768312

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 17851, 35702, 71404, 142808, 232063, 464126, 660487, 928252, 1320974, 1856504, 2641948, 5283896, 8586331, 17172662, 34345324, 68690648]

約数ペア:

[(1, 68690648), (2, 34345324), (4, 17172662), (8, 8586331), (13, 5283896), (26, 2641948), (37, 1856504), (52, 1320974), (74, 928252), (104, 660487), (148, 464126), (296, 232063), (481, 142808), (962, 71404), (1924, 35702), (3848, 17851)]