1555147984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241183}}^1$

素因数の和:241235

約数の個数: 40

約数和(自身を含む): 3349563392

約数和(自身を除く): 1794415408

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 241183, 482366, 964732, 1929464, 3135379, 3858928, 6270758, 7476673, 12541516, 14953346, 25083032, 29906692, 50166064, 59813384, 97196749, 119626768, 194393498, 388786996, 777573992, 1555147984]

約数ペア:

[(1, 1555147984), (2, 777573992), (4, 388786996), (8, 194393498), (13, 119626768), (16, 97196749), (26, 59813384), (31, 50166064), (52, 29906692), (62, 25083032), (104, 14953346), (124, 12541516), (208, 7476673), (248, 6270758), (403, 3858928), (496, 3135379), (806, 1929464), (1612, 964732), (3224, 482366), (6448, 241183)]