28726308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61381}}^1$

素因数の和:61404

約数の個数: 36

約数和(自身を含む): 78200668

約数和(自身を除く): 49474360

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 61381, 122762, 184143, 245524, 368286, 552429, 736572, 797953, 1104858, 1595906, 2209716, 2393859, 3191812, 4787718, 7181577, 9575436, 14363154, 28726308]

約数ペア:

[(1, 28726308), (2, 14363154), (3, 9575436), (4, 7181577), (6, 4787718), (9, 3191812), (12, 2393859), (13, 2209716), (18, 1595906), (26, 1104858), (36, 797953), (39, 736572), (52, 552429), (78, 368286), (117, 245524), (156, 184143), (234, 122762), (468, 61381)]