123880328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{108287}}^1$

素因数の和:108317

約数の個数: 32

約数和(自身を含む): 272885760

約数和(自身を除く): 149005432

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 108287, 216574, 433148, 866296, 1191157, 1407731, 2382314, 2815462, 4764628, 5630924, 9529256, 11261848, 15485041, 30970082, 61940164, 123880328]

約数ペア:

[(1, 123880328), (2, 61940164), (4, 30970082), (8, 15485041), (11, 11261848), (13, 9529256), (22, 5630924), (26, 4764628), (44, 2815462), (52, 2382314), (88, 1407731), (104, 1191157), (143, 866296), (286, 433148), (572, 216574), (1144, 108287)]