168889924

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 344151808

約数和(自身を除く): 175261884

約数列:

[1, 2, 4, 7, 14, 28, 103, 157, 206, 314, 373, 412, 628, 721, 746, 1099, 1442, 1492, 2198, 2611, 2884, 4396, 5222, 10444, 16171, 32342, 38419, 58561, 64684, 76838, 113197, 117122, 153676, 226394, 234244, 268933, 409927, 452788, 537866, 819854, 1075732, 1639708, 6031783, 12063566, 24127132, 42222481, 84444962, 168889924]

約数ペア:

[(1, 168889924), (2, 84444962), (4, 42222481), (7, 24127132), (14, 12063566), (28, 6031783), (103, 1639708), (157, 1075732), (206, 819854), (314, 537866), (373, 452788), (412, 409927), (628, 268933), (721, 234244), (746, 226394), (1099, 153676), (1442, 117122), (1492, 113197), (2198, 76838), (2611, 64684), (2884, 58561), (4396, 38419), (5222, 32342), (10444, 16171)]