123936428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 275367456

約数和(自身を除く): 151431028

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 157, 233, 242, 308, 314, 466, 484, 628, 847, 932, 1099, 1631, 1694, 1727, 2198, 2563, 3262, 3388, 3454, 4396, 5126, 6524, 6908, 10252, 12089, 17941, 18997, 24178, 28193, 35882, 36581, 37994, 48356, 56386, 71764, 73162, 75988, 112772, 132979, 146324, 197351, 256067, 265958, 394702, 402391, 512134, 531916, 789404, 804782, 1024268, 1609564, 2816737, 4426301, 5633474, 8852602, 11266948, 17705204, 30984107, 61968214, 123936428]

約数ペア:

[(1, 123936428), (2, 61968214), (4, 30984107), (7, 17705204), (11, 11266948), (14, 8852602), (22, 5633474), (28, 4426301), (44, 2816737), (77, 1609564), (121, 1024268), (154, 804782), (157, 789404), (233, 531916), (242, 512134), (308, 402391), (314, 394702), (466, 265958), (484, 256067), (628, 197351), (847, 146324), (932, 132979), (1099, 112772), (1631, 75988), (1694, 73162), (1727, 71764), (2198, 56386), (2563, 48356), (3262, 37994), (3388, 36581), (3454, 35882), (4396, 28193), (5126, 24178), (6524, 18997), (6908, 17941), (10252, 12089)]