639202312

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{671431}}^1$

素因数の和:671461

約数の個数: 32

約数和(自身を含む): 1450293120

約数和(自身を除く): 811090808

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 671431, 1342862, 2685724, 4700017, 5371448, 9400034, 11414327, 18800068, 22828654, 37600136, 45657308, 79900289, 91314616, 159800578, 319601156, 639202312]

約数ペア:

[(1, 639202312), (2, 319601156), (4, 159800578), (7, 91314616), (8, 79900289), (14, 45657308), (17, 37600136), (28, 22828654), (34, 18800068), (56, 11414327), (68, 9400034), (119, 5371448), (136, 4700017), (238, 2685724), (476, 1342862), (952, 671431)]