61681396

素因数分解:

$2^2\times 7^2\times {\mathrm{389}}^1\times {\mathrm{809}}^1$

素因数の和:1216

約数の個数: 36

約数和(自身を含む): 126044100

約数和(自身を除く): 64362704

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 389, 778, 809, 1556, 1618, 2723, 3236, 5446, 5663, 10892, 11326, 19061, 22652, 38122, 39641, 76244, 79282, 158564, 314701, 629402, 1258804, 2202907, 4405814, 8811628, 15420349, 30840698, 61681396]

約数ペア:

[(1, 61681396), (2, 30840698), (4, 15420349), (7, 8811628), (14, 4405814), (28, 2202907), (49, 1258804), (98, 629402), (196, 314701), (389, 158564), (778, 79282), (809, 76244), (1556, 39641), (1618, 38122), (2723, 22652), (3236, 19061), (5446, 11326), (5663, 10892)]