645805292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{8297}}^1$

素因数の和:8402

約数の個数: 48

約数和(自身を含む): 1296479520

約数和(自身を除く): 650674228

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 61, 116, 122, 244, 319, 638, 671, 1276, 1342, 1769, 2684, 3538, 7076, 8297, 16594, 19459, 33188, 38918, 77836, 91267, 182534, 240613, 365068, 481226, 506117, 962452, 1012234, 2024468, 2646743, 5293486, 5567287, 10586972, 11134574, 14677393, 22269148, 29354786, 58709572, 161451323, 322902646, 645805292]

約数ペア:

[(1, 645805292), (2, 322902646), (4, 161451323), (11, 58709572), (22, 29354786), (29, 22269148), (44, 14677393), (58, 11134574), (61, 10586972), (116, 5567287), (122, 5293486), (244, 2646743), (319, 2024468), (638, 1012234), (671, 962452), (1276, 506117), (1342, 481226), (1769, 365068), (2684, 240613), (3538, 182534), (7076, 91267), (8297, 77836), (16594, 38918), (19459, 33188)]