881816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 1822800

約数和(自身を除く): 940984

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 139, 244, 278, 488, 556, 793, 1112, 1586, 1807, 3172, 3614, 6344, 7228, 8479, 14456, 16958, 33916, 67832, 110227, 220454, 440908, 881816]

約数ペア:

[(1, 881816), (2, 440908), (4, 220454), (8, 110227), (13, 67832), (26, 33916), (52, 16958), (61, 14456), (104, 8479), (122, 7228), (139, 6344), (244, 3614), (278, 3172), (488, 1807), (556, 1586), (793, 1112)]