1290248894

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{231809}}^1$

素因数の和:231856

約数の個数: 24

約数和(自身を含む): 2219812560

約数和(自身を除く): 929563666

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 2783, 5566, 231809, 463618, 2549899, 5099798, 5331607, 10663214, 28048889, 56097778, 58647677, 117295354, 645124447, 1290248894]

約数ペア:

[(1, 1290248894), (2, 645124447), (11, 117295354), (22, 58647677), (23, 56097778), (46, 28048889), (121, 10663214), (242, 5331607), (253, 5099798), (506, 2549899), (2783, 463618), (5566, 231809)]