215866854

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{244747}}^1$

素因数の和:244769

約数の個数: 36

約数和(自身を含む): 544074804

約数和(自身を除く): 328207950

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 244747, 489494, 734241, 1468482, 1713229, 2202723, 3426458, 4405446, 5139687, 10279374, 11992603, 15419061, 23985206, 30838122, 35977809, 71955618, 107933427, 215866854]

約数ペア:

[(1, 215866854), (2, 107933427), (3, 71955618), (6, 35977809), (7, 30838122), (9, 23985206), (14, 15419061), (18, 11992603), (21, 10279374), (42, 5139687), (49, 4405446), (63, 3426458), (98, 2202723), (126, 1713229), (147, 1468482), (294, 734241), (441, 489494), (882, 244747)]