28913690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1129}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 56382480

約数和(自身を除く): 27468790

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1129, 1970, 2258, 2561, 5122, 5645, 11290, 12805, 14677, 25610, 29354, 73385, 146770, 222413, 444826, 1112065, 2224130, 2891369, 5782738, 14456845, 28913690]

約数ペア:

[(1, 28913690), (2, 14456845), (5, 5782738), (10, 2891369), (13, 2224130), (26, 1112065), (65, 444826), (130, 222413), (197, 146770), (394, 73385), (985, 29354), (1129, 25610), (1970, 14677), (2258, 12805), (2561, 11290), (5122, 5645)]