397752439

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 481904640

約数和(自身を除く): 84152201

約数列:

[1, 7, 41, 53, 79, 287, 331, 371, 553, 2173, 2317, 3239, 4187, 13571, 15211, 17543, 22673, 26149, 29309, 94997, 122801, 171667, 183043, 719263, 1072109, 1201669, 1385897, 5034841, 7504763, 9701279, 56821777, 397752439]

約数ペア:

[(1, 397752439), (7, 56821777), (41, 9701279), (53, 7504763), (79, 5034841), (287, 1385897), (331, 1201669), (371, 1072109), (553, 719263), (2173, 183043), (2317, 171667), (3239, 122801), (4187, 94997), (13571, 29309), (15211, 26149), (17543, 22673)]