71648885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1249}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 108000000

約数和(自身を除く): 36351115

約数列:

[1, 5, 7, 11, 35, 55, 77, 149, 385, 745, 1043, 1249, 1639, 5215, 6245, 8195, 8743, 11473, 13739, 43715, 57365, 68695, 96173, 186101, 480865, 930505, 1302707, 2047111, 6513535, 10235555, 14329777, 71648885]

約数ペア:

[(1, 71648885), (5, 14329777), (7, 10235555), (11, 6513535), (35, 2047111), (55, 1302707), (77, 930505), (149, 480865), (385, 186101), (745, 96173), (1043, 68695), (1249, 57365), (1639, 43715), (5215, 13739), (6245, 11473), (8195, 8743)]