538408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 1128960

約数和(自身を除く): 590552

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 167, 248, 334, 403, 668, 806, 1336, 1612, 2171, 3224, 4342, 5177, 8684, 10354, 17368, 20708, 41416, 67301, 134602, 269204, 538408]

約数ペア:

[(1, 538408), (2, 269204), (4, 134602), (8, 67301), (13, 41416), (26, 20708), (31, 17368), (52, 10354), (62, 8684), (104, 5177), (124, 4342), (167, 3224), (248, 2171), (334, 1612), (403, 1336), (668, 806)]