821231944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2129}}^1\times {\mathrm{3709}}^1$

素因数の和:5857

約数の個数: 32

約数和(自身を含む): 1659483000

約数和(自身を除く): 838251056

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2129, 3709, 4258, 7418, 8516, 14836, 17032, 27677, 29672, 48217, 55354, 96434, 110708, 192868, 221416, 385736, 7896461, 15792922, 31585844, 63171688, 102653993, 205307986, 410615972, 821231944]

約数ペア:

[(1, 821231944), (2, 410615972), (4, 205307986), (8, 102653993), (13, 63171688), (26, 31585844), (52, 15792922), (104, 7896461), (2129, 385736), (3709, 221416), (4258, 192868), (7418, 110708), (8516, 96434), (14836, 55354), (17032, 48217), (27677, 29672)]