1640797744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101837}}^1$

素因数の和:101917

約数の個数: 40

約数和(自身を含む): 3409536240

約数和(自身を除く): 1768738496

約数列:

[1, 2, 4, 8, 16, 19, 38, 53, 76, 106, 152, 212, 304, 424, 848, 1007, 2014, 4028, 8056, 16112, 101837, 203674, 407348, 814696, 1629392, 1934903, 3869806, 5397361, 7739612, 10794722, 15479224, 21589444, 30958448, 43178888, 86357776, 102549859, 205099718, 410199436, 820398872, 1640797744]

約数ペア:

[(1, 1640797744), (2, 820398872), (4, 410199436), (8, 205099718), (16, 102549859), (19, 86357776), (38, 43178888), (53, 30958448), (76, 21589444), (106, 15479224), (152, 10794722), (212, 7739612), (304, 5397361), (424, 3869806), (848, 1934903), (1007, 1629392), (2014, 814696), (4028, 407348), (8056, 203674), (16112, 101837)]