221120504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{34421}}^1$

素因数の和:34511

約数の個数: 32

約数和(自身を含む): 458501040

約数和(自身を除く): 237380536

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 3212, 6424, 34421, 68842, 137684, 275368, 378631, 757262, 1514524, 2512733, 3029048, 5025466, 10050932, 20101864, 27640063, 55280126, 110560252, 221120504]

約数ペア:

[(1, 221120504), (2, 110560252), (4, 55280126), (8, 27640063), (11, 20101864), (22, 10050932), (44, 5025466), (73, 3029048), (88, 2512733), (146, 1514524), (292, 757262), (584, 378631), (803, 275368), (1606, 137684), (3212, 68842), (6424, 34421)]