664758735

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{373}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 1172983680

約数和(自身を除く): 508224945

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 241, 255, 373, 435, 493, 723, 1119, 1205, 1479, 1865, 2465, 3615, 4097, 5595, 6341, 6989, 7395, 10817, 12291, 19023, 20485, 20967, 31705, 32451, 34945, 54085, 61455, 89893, 95115, 104835, 118813, 162255, 183889, 269679, 356439, 449465, 551667, 594065, 919445, 1348395, 1528181, 1782195, 2606897, 2758335, 4584543, 7640905, 7820691, 13034485, 22922715, 39103455, 44317249, 132951747, 221586245, 664758735]

約数ペア:

[(1, 664758735), (3, 221586245), (5, 132951747), (15, 44317249), (17, 39103455), (29, 22922715), (51, 13034485), (85, 7820691), (87, 7640905), (145, 4584543), (241, 2758335), (255, 2606897), (373, 1782195), (435, 1528181), (493, 1348395), (723, 919445), (1119, 594065), (1205, 551667), (1479, 449465), (1865, 356439), (2465, 269679), (3615, 183889), (4097, 162255), (5595, 118813), (6341, 104835), (6989, 95115), (7395, 89893), (10817, 61455), (12291, 54085), (19023, 34945), (20485, 32451), (20967, 31705)]