28788812

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1151}}^1$

素因数の和:1218

約数の個数: 36

約数和(自身を含む): 56077056

約数和(自身を除く): 27288244

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 169, 338, 481, 676, 962, 1151, 1924, 2302, 4604, 6253, 12506, 14963, 25012, 29926, 42587, 59852, 85174, 170348, 194519, 389038, 553631, 778076, 1107262, 2214524, 7197203, 14394406, 28788812]

約数ペア:

[(1, 28788812), (2, 14394406), (4, 7197203), (13, 2214524), (26, 1107262), (37, 778076), (52, 553631), (74, 389038), (148, 194519), (169, 170348), (338, 85174), (481, 59852), (676, 42587), (962, 29926), (1151, 25012), (1924, 14963), (2302, 12506), (4604, 6253)]