489684

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 1276352

約数和(自身を除く): 786668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 73, 78, 86, 129, 146, 156, 172, 219, 258, 292, 438, 516, 559, 876, 949, 1118, 1677, 1898, 2236, 2847, 3139, 3354, 3796, 5694, 6278, 6708, 9417, 11388, 12556, 18834, 37668, 40807, 81614, 122421, 163228, 244842, 489684]

約数ペア:

[(1, 489684), (2, 244842), (3, 163228), (4, 122421), (6, 81614), (12, 40807), (13, 37668), (26, 18834), (39, 12556), (43, 11388), (52, 9417), (73, 6708), (78, 6278), (86, 5694), (129, 3796), (146, 3354), (156, 3139), (172, 2847), (219, 2236), (258, 1898), (292, 1677), (438, 1118), (516, 949), (559, 876)]