205301902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{1423}}^1$

素因数の和:1648

約数の個数: 32

約数和(自身を含む): 344494080

約数和(自身を除く): 139192178

約数列:

[1, 2, 13, 26, 31, 62, 179, 358, 403, 806, 1423, 2327, 2846, 4654, 5549, 11098, 18499, 36998, 44113, 72137, 88226, 144274, 254717, 509434, 573469, 1146938, 3311321, 6622642, 7896227, 15792454, 102650951, 205301902]

約数ペア:

[(1, 205301902), (2, 102650951), (13, 15792454), (26, 7896227), (31, 6622642), (62, 3311321), (179, 1146938), (358, 573469), (403, 509434), (806, 254717), (1423, 144274), (2327, 88226), (2846, 72137), (4654, 44113), (5549, 36998), (11098, 18499)]