1221896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 2553600

約数和(自身を除く): 1331704

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 379, 403, 758, 806, 1516, 1612, 3032, 3224, 4927, 9854, 11749, 19708, 23498, 39416, 46996, 93992, 152737, 305474, 610948, 1221896]

約数ペア:

[(1, 1221896), (2, 610948), (4, 305474), (8, 152737), (13, 93992), (26, 46996), (31, 39416), (52, 23498), (62, 19708), (104, 11749), (124, 9854), (248, 4927), (379, 3224), (403, 3032), (758, 1612), (806, 1516)]