631464392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{319567}}^1$

素因数の和:319605

約数の個数: 32

約数和(自身を含む): 1342185600

約数和(自身を除く): 710721208

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 319567, 639134, 1278268, 2556536, 4154371, 6071773, 8308742, 12143546, 16617484, 24287092, 33234968, 48574184, 78933049, 157866098, 315732196, 631464392]

約数ペア:

[(1, 631464392), (2, 315732196), (4, 157866098), (8, 78933049), (13, 48574184), (19, 33234968), (26, 24287092), (38, 16617484), (52, 12143546), (76, 8308742), (104, 6071773), (152, 4154371), (247, 2556536), (494, 1278268), (988, 639134), (1976, 319567)]