56151964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{20921}}^1$

素因数の和:20997

約数の個数: 24

約数和(自身を含む): 108961776

約数和(自身を除く): 52809812

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 20921, 41842, 83684, 230131, 460262, 920524, 1276181, 2552362, 5104724, 14037991, 28075982, 56151964]

約数ペア:

[(1, 56151964), (2, 28075982), (4, 14037991), (11, 5104724), (22, 2552362), (44, 1276181), (61, 920524), (122, 460262), (244, 230131), (671, 83684), (1342, 41842), (2684, 20921)]