640005936

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{784321}}^1$

素因数の和:784349

約数の個数: 40

約数和(自身を含む): 1750606704

約数和(自身を除く): 1110600768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 784321, 1568642, 2352963, 3137284, 4705926, 6274568, 9411852, 12549136, 13333457, 18823704, 26666914, 37647408, 40000371, 53333828, 80000742, 106667656, 160001484, 213335312, 320002968, 640005936]

約数ペア:

[(1, 640005936), (2, 320002968), (3, 213335312), (4, 160001484), (6, 106667656), (8, 80000742), (12, 53333828), (16, 40000371), (17, 37647408), (24, 26666914), (34, 18823704), (48, 13333457), (51, 12549136), (68, 9411852), (102, 6274568), (136, 4705926), (204, 3137284), (272, 2352963), (408, 1568642), (816, 784321)]