28151292

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{997}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 71201312

約数和(自身を除く): 43050020

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 181, 362, 543, 724, 997, 1086, 1994, 2172, 2353, 2991, 3988, 4706, 5982, 7059, 9412, 11964, 12961, 14118, 25922, 28236, 38883, 51844, 77766, 155532, 180457, 360914, 541371, 721828, 1082742, 2165484, 2345941, 4691882, 7037823, 9383764, 14075646, 28151292]

約数ペア:

[(1, 28151292), (2, 14075646), (3, 9383764), (4, 7037823), (6, 4691882), (12, 2345941), (13, 2165484), (26, 1082742), (39, 721828), (52, 541371), (78, 360914), (156, 180457), (181, 155532), (362, 77766), (543, 51844), (724, 38883), (997, 28236), (1086, 25922), (1994, 14118), (2172, 12961), (2353, 11964), (2991, 9412), (3988, 7059), (4706, 5982)]