81882724

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 183744288

約数和(自身を除く): 101861564

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 163, 196, 233, 308, 326, 466, 539, 652, 932, 1078, 1141, 1631, 1793, 2156, 2282, 2563, 3262, 3586, 4564, 5126, 6524, 7172, 7987, 10252, 11417, 12551, 15974, 17941, 22834, 25102, 31948, 35882, 37979, 45668, 50204, 71764, 75958, 87857, 125587, 151916, 175714, 251174, 265853, 351428, 417769, 502348, 531706, 835538, 1063412, 1671076, 1860971, 2924383, 3721942, 5848766, 7443884, 11697532, 20470681, 40941362, 81882724]

約数ペア:

[(1, 81882724), (2, 40941362), (4, 20470681), (7, 11697532), (11, 7443884), (14, 5848766), (22, 3721942), (28, 2924383), (44, 1860971), (49, 1671076), (77, 1063412), (98, 835538), (154, 531706), (163, 502348), (196, 417769), (233, 351428), (308, 265853), (326, 251174), (466, 175714), (539, 151916), (652, 125587), (932, 87857), (1078, 75958), (1141, 71764), (1631, 50204), (1793, 45668), (2156, 37979), (2282, 35882), (2563, 31948), (3262, 25102), (3586, 22834), (4564, 17941), (5126, 15974), (6524, 12551), (7172, 11417), (7987, 10252)]