28975830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74297}}^1$

素因数の和:74320

約数の個数: 32

約数和(自身を含む): 74892384

約数和(自身を除く): 45916554

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 74297, 148594, 222891, 371485, 445782, 742970, 965861, 1114455, 1931722, 2228910, 2897583, 4829305, 5795166, 9658610, 14487915, 28975830]

約数ペア:

[(1, 28975830), (2, 14487915), (3, 9658610), (5, 5795166), (6, 4829305), (10, 2897583), (13, 2228910), (15, 1931722), (26, 1114455), (30, 965861), (39, 742970), (65, 445782), (78, 371485), (130, 222891), (195, 148594), (390, 74297)]