161828212

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1087}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 349726720

約数和(自身を除く): 187898508

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 409, 818, 1087, 1636, 2174, 2863, 4348, 5317, 5726, 7609, 10634, 11452, 14131, 15218, 21268, 28262, 30436, 37219, 56524, 74438, 98917, 148876, 197834, 395668, 444583, 889166, 1778332, 3112081, 5779579, 6224162, 11559158, 12448324, 23118316, 40457053, 80914106, 161828212]

約数ペア:

[(1, 161828212), (2, 80914106), (4, 40457053), (7, 23118316), (13, 12448324), (14, 11559158), (26, 6224162), (28, 5779579), (52, 3112081), (91, 1778332), (182, 889166), (364, 444583), (409, 395668), (818, 197834), (1087, 148876), (1636, 98917), (2174, 74438), (2863, 56524), (4348, 37219), (5317, 30436), (5726, 28262), (7609, 21268), (10634, 15218), (11452, 14131)]