219981316

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{823}}^1\times {\mathrm{3517}}^1$

素因数の和:4363

約数の個数: 24

約数和(自身を含む): 405836480

約数和(自身を除く): 185855164

約数列:

[1, 2, 4, 19, 38, 76, 823, 1646, 3292, 3517, 7034, 14068, 15637, 31274, 62548, 66823, 133646, 267292, 2894491, 5788982, 11577964, 54995329, 109990658, 219981316]

約数ペア:

[(1, 219981316), (2, 109990658), (4, 54995329), (19, 11577964), (38, 5788982), (76, 2894491), (823, 267292), (1646, 133646), (3292, 66823), (3517, 62548), (7034, 31274), (14068, 15637)]