161718994

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1801}}^1$

素因数の和:1978

約数の個数: 32

約数和(自身を含む): 272462400

約数和(自身を除く): 110743406

約数列:

[1, 2, 17, 19, 34, 38, 139, 278, 323, 646, 1801, 2363, 2641, 3602, 4726, 5282, 30617, 34219, 44897, 61234, 68438, 89794, 250339, 500678, 581723, 1163446, 4255763, 4756441, 8511526, 9512882, 80859497, 161718994]

約数ペア:

[(1, 161718994), (2, 80859497), (17, 9512882), (19, 8511526), (34, 4756441), (38, 4255763), (139, 1163446), (278, 581723), (323, 500678), (646, 250339), (1801, 89794), (2363, 68438), (2641, 61234), (3602, 44897), (4726, 34219), (5282, 30617)]