188197156

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1381}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 391293952

約数和(自身を除く): 203096796

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 157, 217, 314, 434, 628, 868, 1099, 1381, 2198, 2762, 4396, 4867, 5524, 9667, 9734, 19334, 19468, 34069, 38668, 42811, 68138, 85622, 136276, 171244, 216817, 299677, 433634, 599354, 867268, 1198708, 1517719, 3035438, 6070876, 6721327, 13442654, 26885308, 47049289, 94098578, 188197156]

約数ペア:

[(1, 188197156), (2, 94098578), (4, 47049289), (7, 26885308), (14, 13442654), (28, 6721327), (31, 6070876), (62, 3035438), (124, 1517719), (157, 1198708), (217, 867268), (314, 599354), (434, 433634), (628, 299677), (868, 216817), (1099, 171244), (1381, 136276), (2198, 85622), (2762, 68138), (4396, 42811), (4867, 38668), (5524, 34069), (9667, 19468), (9734, 19334)]