1640697438

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{5503}}^1$

素因数の和:5641

約数の個数: 64

約数和(自身を含む): 3614146560

約数和(自身を除く): 1973449122

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 74, 79, 102, 111, 158, 222, 237, 474, 629, 1258, 1343, 1887, 2686, 2923, 3774, 4029, 5503, 5846, 8058, 8769, 11006, 16509, 17538, 33018, 49691, 93551, 99382, 149073, 187102, 203611, 280653, 298146, 407222, 434737, 561306, 610833, 869474, 1221666, 1304211, 2608422, 3461387, 6922774, 7390529, 10384161, 14781058, 16085269, 20768322, 22171587, 32170538, 44343174, 48255807, 96511614, 273449573, 546899146, 820348719, 1640697438]

約数ペア:

[(1, 1640697438), (2, 820348719), (3, 546899146), (6, 273449573), (17, 96511614), (34, 48255807), (37, 44343174), (51, 32170538), (74, 22171587), (79, 20768322), (102, 16085269), (111, 14781058), (158, 10384161), (222, 7390529), (237, 6922774), (474, 3461387), (629, 2608422), (1258, 1304211), (1343, 1221666), (1887, 869474), (2686, 610833), (2923, 561306), (3774, 434737), (4029, 407222), (5503, 298146), (5846, 280653), (8058, 203611), (8769, 187102), (11006, 149073), (16509, 99382), (17538, 93551), (33018, 49691)]