1218928

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 40

約数和(自身を含む): 2544480

約数和(自身を除く): 1325552

約数列:

[1, 2, 4, 8, 16, 29, 37, 58, 71, 74, 116, 142, 148, 232, 284, 296, 464, 568, 592, 1073, 1136, 2059, 2146, 2627, 4118, 4292, 5254, 8236, 8584, 10508, 16472, 17168, 21016, 32944, 42032, 76183, 152366, 304732, 609464, 1218928]

約数ペア:

[(1, 1218928), (2, 609464), (4, 304732), (8, 152366), (16, 76183), (29, 42032), (37, 32944), (58, 21016), (71, 17168), (74, 16472), (116, 10508), (142, 8584), (148, 8236), (232, 5254), (284, 4292), (296, 4118), (464, 2627), (568, 2146), (592, 2059), (1073, 1136)]