221344712

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{6421}}^1$

素因数の和:6597

約数の個数: 32

約数和(自身を含む): 431558400

約数和(自身を除く): 210213688

約数列:

[1, 2, 4, 8, 31, 62, 124, 139, 248, 278, 556, 1112, 4309, 6421, 8618, 12842, 17236, 25684, 34472, 51368, 199051, 398102, 796204, 892519, 1592408, 1785038, 3570076, 7140152, 27668089, 55336178, 110672356, 221344712]

約数ペア:

[(1, 221344712), (2, 110672356), (4, 55336178), (8, 27668089), (31, 7140152), (62, 3570076), (124, 1785038), (139, 1592408), (248, 892519), (278, 796204), (556, 398102), (1112, 199051), (4309, 51368), (6421, 34472), (8618, 25684), (12842, 17236)]