321619792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1609}}^1$

素因数の和:1692

約数の個数: 60

約数和(自身を含む): 693848820

約数和(自身を除く): 372229028

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 961, 1609, 1612, 1922, 3218, 3224, 3844, 6436, 6448, 7688, 12493, 12872, 15376, 20917, 24986, 25744, 41834, 49879, 49972, 83668, 99758, 99944, 167336, 199516, 199888, 334672, 399032, 648427, 798064, 1296854, 1546249, 2593708, 3092498, 5187416, 6184996, 10374832, 12369992, 20101237, 24739984, 40202474, 80404948, 160809896, 321619792]

約数ペア:

[(1, 321619792), (2, 160809896), (4, 80404948), (8, 40202474), (13, 24739984), (16, 20101237), (26, 12369992), (31, 10374832), (52, 6184996), (62, 5187416), (104, 3092498), (124, 2593708), (208, 1546249), (248, 1296854), (403, 798064), (496, 648427), (806, 399032), (961, 334672), (1609, 199888), (1612, 199516), (1922, 167336), (3218, 99944), (3224, 99758), (3844, 83668), (6436, 49972), (6448, 49879), (7688, 41834), (12493, 25744), (12872, 24986), (15376, 20917)]