621816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2015

約数の個数: 32

約数和(自身を含む): 1674960

約数和(自身を除く): 1053144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1993, 3986, 5979, 7972, 11958, 15944, 23916, 25909, 47832, 51818, 77727, 103636, 155454, 207272, 310908, 621816]

約数ペア:

[(1, 621816), (2, 310908), (3, 207272), (4, 155454), (6, 103636), (8, 77727), (12, 51818), (13, 47832), (24, 25909), (26, 23916), (39, 15944), (52, 11958), (78, 7972), (104, 5979), (156, 3986), (312, 1993)]