431234498

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 689634432

約数和(自身を除く): 258399934

約数列:

[1, 2, 23, 46, 61, 122, 313, 491, 626, 982, 1403, 2806, 7199, 11293, 14398, 19093, 22586, 29951, 38186, 59902, 153683, 307366, 439139, 688873, 878278, 1377746, 3534709, 7069418, 9374663, 18749326, 215617249, 431234498]

約数ペア:

[(1, 431234498), (2, 215617249), (23, 18749326), (46, 9374663), (61, 7069418), (122, 3534709), (313, 1377746), (491, 878278), (626, 688873), (982, 439139), (1403, 307366), (2806, 153683), (7199, 59902), (11293, 38186), (14398, 29951), (19093, 22586)]