321998638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{1291}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 533306592

約数和(自身を除く): 211307954

約数列:

[1, 2, 13, 26, 53, 106, 181, 362, 689, 1291, 1378, 2353, 2582, 4706, 9593, 16783, 19186, 33566, 68423, 124709, 136846, 233671, 249418, 467342, 889499, 1778998, 3037723, 6075446, 12384563, 24769126, 160999319, 321998638]

約数ペア:

[(1, 321998638), (2, 160999319), (13, 24769126), (26, 12384563), (53, 6075446), (106, 3037723), (181, 1778998), (362, 889499), (689, 467342), (1291, 249418), (1378, 233671), (2353, 136846), (2582, 124709), (4706, 68423), (9593, 33566), (16783, 19186)]