397888898

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^2\times {\mathrm{1201}}^1$

素因数の和:1299

約数の個数: 36

約数和(自身を含む): 674794386

約数和(自身を除く): 276905488

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 1201, 1369, 2402, 2738, 4477, 8954, 13211, 15059, 26422, 30118, 44437, 88874, 145321, 165649, 290642, 331298, 488807, 977614, 1644169, 3288338, 5376877, 10753754, 18085859, 36171718, 198944449, 397888898]

約数ペア:

[(1, 397888898), (2, 198944449), (11, 36171718), (22, 18085859), (37, 10753754), (74, 5376877), (121, 3288338), (242, 1644169), (407, 977614), (814, 488807), (1201, 331298), (1369, 290642), (2402, 165649), (2738, 145321), (4477, 88874), (8954, 44437), (13211, 30118), (15059, 26422)]