161390216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 340139520

約数和(自身を除く): 178749304

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 113, 124, 226, 248, 403, 443, 452, 806, 886, 904, 1469, 1612, 1772, 2938, 3224, 3503, 3544, 5759, 5876, 7006, 11518, 11752, 13733, 14012, 23036, 27466, 28024, 45539, 46072, 50059, 54932, 91078, 100118, 109864, 178529, 182156, 200236, 357058, 364312, 400472, 650767, 714116, 1301534, 1428232, 1551829, 2603068, 3103658, 5206136, 6207316, 12414632, 20173777, 40347554, 80695108, 161390216]

約数ペア:

[(1, 161390216), (2, 80695108), (4, 40347554), (8, 20173777), (13, 12414632), (26, 6207316), (31, 5206136), (52, 3103658), (62, 2603068), (104, 1551829), (113, 1428232), (124, 1301534), (226, 714116), (248, 650767), (403, 400472), (443, 364312), (452, 357058), (806, 200236), (886, 182156), (904, 178529), (1469, 109864), (1612, 100118), (1772, 91078), (2938, 54932), (3224, 50059), (3503, 46072), (3544, 45539), (5759, 28024), (5876, 27466), (7006, 23036), (11518, 14012), (11752, 13733)]