78868636

素因数分解:

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

素因数の和:419

約数の個数: 72

約数和(自身を含む): 177021936

約数和(自身を除く): 98153300

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 157, 196, 233, 308, 314, 466, 539, 628, 932, 1078, 1099, 1631, 1727, 2156, 2198, 2563, 3262, 3454, 4396, 5126, 6524, 6908, 7693, 10252, 11417, 12089, 15386, 17941, 22834, 24178, 30772, 35882, 36581, 45668, 48356, 71764, 73162, 84623, 125587, 146324, 169246, 251174, 256067, 338492, 402391, 502348, 512134, 804782, 1024268, 1609564, 1792469, 2816737, 3584938, 5633474, 7169876, 11266948, 19717159, 39434318, 78868636]

約数ペア:

[(1, 78868636), (2, 39434318), (4, 19717159), (7, 11266948), (11, 7169876), (14, 5633474), (22, 3584938), (28, 2816737), (44, 1792469), (49, 1609564), (77, 1024268), (98, 804782), (154, 512134), (157, 502348), (196, 402391), (233, 338492), (308, 256067), (314, 251174), (466, 169246), (539, 146324), (628, 125587), (932, 84623), (1078, 73162), (1099, 71764), (1631, 48356), (1727, 45668), (2156, 36581), (2198, 35882), (2563, 30772), (3262, 24178), (3454, 22834), (4396, 17941), (5126, 15386), (6524, 12089), (6908, 11417), (7693, 10252)]