28702908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61331}}^1$

素因数の和:61354

約数の個数: 36

約数和(自身を含む): 78136968

約数和(自身を除く): 49434060

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 61331, 122662, 183993, 245324, 367986, 551979, 735972, 797303, 1103958, 1594606, 2207916, 2391909, 3189212, 4783818, 7175727, 9567636, 14351454, 28702908]

約数ペア:

[(1, 28702908), (2, 14351454), (3, 9567636), (4, 7175727), (6, 4783818), (9, 3189212), (12, 2391909), (13, 2207916), (18, 1594606), (26, 1103958), (36, 797303), (39, 735972), (52, 551979), (78, 367986), (117, 245324), (156, 183993), (234, 122662), (468, 61331)]