28089036

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{12791}}^1$

素因数の和:12862

約数の個数: 36

約数和(自身を含む): 72172464

約数和(自身を除く): 44083428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 12791, 25582, 38373, 51164, 76746, 115119, 153492, 230238, 460476, 780251, 1560502, 2340753, 3121004, 4681506, 7022259, 9363012, 14044518, 28089036]

約数ペア:

[(1, 28089036), (2, 14044518), (3, 9363012), (4, 7022259), (6, 4681506), (9, 3121004), (12, 2340753), (18, 1560502), (36, 780251), (61, 460476), (122, 230238), (183, 153492), (244, 115119), (366, 76746), (549, 51164), (732, 38373), (1098, 25582), (2196, 12791)]