1213454578

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1\times {\mathrm{2551}}^1$

素因数の和:3178

約数の個数: 32

約数和(自身を含む): 2118935808

約数和(自身を除く): 905481230

約数列:

[1, 2, 7, 14, 61, 122, 427, 557, 854, 1114, 2551, 3899, 5102, 7798, 17857, 33977, 35714, 67954, 155611, 237839, 311222, 475678, 1089277, 1420907, 2178554, 2841814, 9946349, 19892698, 86675327, 173350654, 606727289, 1213454578]

約数ペア:

[(1, 1213454578), (2, 606727289), (7, 173350654), (14, 86675327), (61, 19892698), (122, 9946349), (427, 2841814), (557, 2178554), (854, 1420907), (1114, 1089277), (2551, 475678), (3899, 311222), (5102, 237839), (7798, 155611), (17857, 67954), (33977, 35714)]