181609828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{349}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 345744000

約数和(自身を除く): 164134172

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 167, 334, 349, 668, 698, 779, 1396, 1558, 3116, 3173, 6346, 6631, 6847, 12692, 13262, 13694, 14309, 26524, 27388, 28618, 57236, 58283, 116566, 130093, 233132, 260186, 271871, 520372, 543742, 1087484, 1107377, 2214754, 2389603, 4429508, 4779206, 9558412, 45402457, 90804914, 181609828]

約数ペア:

[(1, 181609828), (2, 90804914), (4, 45402457), (19, 9558412), (38, 4779206), (41, 4429508), (76, 2389603), (82, 2214754), (164, 1107377), (167, 1087484), (334, 543742), (349, 520372), (668, 271871), (698, 260186), (779, 233132), (1396, 130093), (1558, 116566), (3116, 58283), (3173, 57236), (6346, 28618), (6631, 27388), (6847, 26524), (12692, 14309), (13262, 13694)]