638681710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1297}}^1\times {\mathrm{2141}}^1$

素因数の和:3468

約数の個数: 32

約数和(自身を含む): 1201096512

約数和(自身を除く): 562414802

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1297, 2141, 2594, 4282, 6485, 10705, 12970, 21410, 29831, 49243, 59662, 98486, 149155, 246215, 298310, 492430, 2776877, 5553754, 13884385, 27768770, 63868171, 127736342, 319340855, 638681710]

約数ペア:

[(1, 638681710), (2, 319340855), (5, 127736342), (10, 63868171), (23, 27768770), (46, 13884385), (115, 5553754), (230, 2776877), (1297, 492430), (2141, 298310), (2594, 246215), (4282, 149155), (6485, 98486), (10705, 59662), (12970, 49243), (21410, 29831)]