389954015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{19319}}^1$

素因数の和:19702

約数の個数: 16

約数和(自身を含む): 511902720

約数和(自身を除く): 121948705

約数列:

[1, 5, 11, 55, 367, 1835, 4037, 19319, 20185, 96595, 212509, 1062545, 7090073, 35450365, 77990803, 389954015]

約数ペア:

[(1, 389954015), (5, 77990803), (11, 35450365), (55, 7090073), (367, 1062545), (1835, 212509), (4037, 96595), (19319, 20185)]