1287275776

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{218627}}^1$

素因数の和:218666

約数の個数: 36

約数和(自身を含む): 2681253792

約数和(自身を除く): 1393978016

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2944, 5888, 218627, 437254, 874508, 1749016, 3498032, 5028421, 6996064, 10056842, 13992128, 20113684, 27984256, 40227368, 55968512, 80454736, 160909472, 321818944, 643637888, 1287275776]

約数ペア:

[(1, 1287275776), (2, 643637888), (4, 321818944), (8, 160909472), (16, 80454736), (23, 55968512), (32, 40227368), (46, 27984256), (64, 20113684), (92, 13992128), (128, 10056842), (184, 6996064), (256, 5028421), (368, 3498032), (736, 1749016), (1472, 874508), (2944, 437254), (5888, 218627)]