378662879

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 474439680

約数和(自身を除く): 95776801

約数列:

[1, 7, 17, 47, 79, 119, 329, 553, 799, 857, 1343, 3713, 5593, 5999, 9401, 14569, 25991, 40279, 63121, 67703, 101983, 281953, 441847, 473921, 684743, 1150951, 3182041, 4793201, 8056657, 22274287, 54094697, 378662879]

約数ペア:

[(1, 378662879), (7, 54094697), (17, 22274287), (47, 8056657), (79, 4793201), (119, 3182041), (329, 1150951), (553, 684743), (799, 473921), (857, 441847), (1343, 281953), (3713, 101983), (5593, 67703), (5999, 63121), (9401, 40279), (14569, 25991)]