31280804542

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{179}}^1\times {\mathrm{1789}}^1$

素因数の和:2030

約数の個数: 72

約数和(自身を含む): 54304554600

約数和(自身を除く): 23023750058

約数列:

[1, 2, 13, 17, 26, 34, 169, 179, 221, 289, 338, 358, 442, 578, 1789, 2327, 2873, 3043, 3578, 3757, 4654, 5746, 6086, 7514, 23257, 30251, 30413, 39559, 46514, 48841, 51731, 60502, 60826, 79118, 97682, 103462, 302341, 320231, 395369, 514267, 517021, 604682, 640462, 672503, 790738, 1028534, 1034042, 1345006, 4163003, 5139797, 5443927, 6721273, 8326006, 8742539, 10279594, 10887854, 13442546, 17485078, 54119039, 70771051, 87376549, 92546759, 108238078, 141542102, 174753098, 185093518, 920023663, 1203107867, 1840047326, 2406215734, 15640402271, 31280804542]

約数ペア:

[(1, 31280804542), (2, 15640402271), (13, 2406215734), (17, 1840047326), (26, 1203107867), (34, 920023663), (169, 185093518), (179, 174753098), (221, 141542102), (289, 108238078), (338, 92546759), (358, 87376549), (442, 70771051), (578, 54119039), (1789, 17485078), (2327, 13442546), (2873, 10887854), (3043, 10279594), (3578, 8742539), (3757, 8326006), (4654, 6721273), (5746, 5443927), (6086, 5139797), (7514, 4163003), (23257, 1345006), (30251, 1034042), (30413, 1028534), (39559, 790738), (46514, 672503), (48841, 640462), (51731, 604682), (60502, 517021), (60826, 514267), (79118, 395369), (97682, 320231), (103462, 302341)]