28178436

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16421}}^1$

素因数の和:16452

約数の個数: 48

約数和(自身を含む): 77249088

約数和(自身を除く): 49070652

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 16421, 32842, 49263, 65684, 98526, 180631, 197052, 213473, 361262, 426946, 541893, 640419, 722524, 853892, 1083786, 1280838, 2167572, 2348203, 2561676, 4696406, 7044609, 9392812, 14089218, 28178436]

約数ペア:

[(1, 28178436), (2, 14089218), (3, 9392812), (4, 7044609), (6, 4696406), (11, 2561676), (12, 2348203), (13, 2167572), (22, 1280838), (26, 1083786), (33, 853892), (39, 722524), (44, 640419), (52, 541893), (66, 426946), (78, 361262), (132, 213473), (143, 197052), (156, 180631), (286, 98526), (429, 65684), (572, 49263), (858, 32842), (1716, 16421)]