161787128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{17449}}^1$

素因数の和:17535

約数の個数: 32

約数和(自身を含む): 324570000

約数和(自身を除く): 162782872

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 4636, 9272, 17449, 34898, 69796, 139592, 331531, 663062, 1064389, 1326124, 2128778, 2652248, 4257556, 8515112, 20223391, 40446782, 80893564, 161787128]

約数ペア:

[(1, 161787128), (2, 80893564), (4, 40446782), (8, 20223391), (19, 8515112), (38, 4257556), (61, 2652248), (76, 2128778), (122, 1326124), (152, 1064389), (244, 663062), (488, 331531), (1159, 139592), (2318, 69796), (4636, 34898), (9272, 17449)]