221465272

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{96457}}^1$

素因数の和:96511

約数の個数: 32

約数和(自身を含む): 486148320

約数和(自身を除く): 264683048

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 96457, 192914, 385828, 675199, 771656, 1350398, 2700796, 3954737, 5401592, 7909474, 15818948, 27683159, 31637896, 55366318, 110732636, 221465272]

約数ペア:

[(1, 221465272), (2, 110732636), (4, 55366318), (7, 31637896), (8, 27683159), (14, 15818948), (28, 7909474), (41, 5401592), (56, 3954737), (82, 2700796), (164, 1350398), (287, 771656), (328, 675199), (574, 385828), (1148, 192914), (2296, 96457)]