261268

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:92

約数の個数: 36

約数和(自身を含む): 561792

約数和(自身を除く): 300524

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 49, 62, 86, 98, 124, 172, 196, 217, 301, 434, 602, 868, 1204, 1333, 1519, 2107, 2666, 3038, 4214, 5332, 6076, 8428, 9331, 18662, 37324, 65317, 130634, 261268]

約数ペア:

[(1, 261268), (2, 130634), (4, 65317), (7, 37324), (14, 18662), (28, 9331), (31, 8428), (43, 6076), (49, 5332), (62, 4214), (86, 3038), (98, 2666), (124, 2107), (172, 1519), (196, 1333), (217, 1204), (301, 868), (434, 602)]