1644656432

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{140617}}^1$

素因数の和:140685

約数の個数: 40

約数和(自身を含む): 3452453136

約数和(自身を除く): 1807796704

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 272, 344, 688, 731, 1462, 2924, 5848, 11696, 140617, 281234, 562468, 1124936, 2249872, 2390489, 4780978, 6046531, 9561956, 12093062, 19123912, 24186124, 38247824, 48372248, 96744496, 102791027, 205582054, 411164108, 822328216, 1644656432]

約数ペア:

[(1, 1644656432), (2, 822328216), (4, 411164108), (8, 205582054), (16, 102791027), (17, 96744496), (34, 48372248), (43, 38247824), (68, 24186124), (86, 19123912), (136, 12093062), (172, 9561956), (272, 6046531), (344, 4780978), (688, 2390489), (731, 2249872), (1462, 1124936), (2924, 562468), (5848, 281234), (11696, 140617)]