28991324

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:878

約数の個数: 36

約数和(自身を含む): 55702080

約数和(自身を除く): 26710756

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 289, 527, 578, 809, 1054, 1156, 1618, 2108, 3236, 8959, 13753, 17918, 25079, 27506, 35836, 50158, 55012, 100316, 233801, 426343, 467602, 852686, 935204, 1705372, 7247831, 14495662, 28991324]

約数ペア:

[(1, 28991324), (2, 14495662), (4, 7247831), (17, 1705372), (31, 935204), (34, 852686), (62, 467602), (68, 426343), (124, 233801), (289, 100316), (527, 55012), (578, 50158), (809, 35836), (1054, 27506), (1156, 25079), (1618, 17918), (2108, 13753), (3236, 8959)]