155418004

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{25579}}^1$

素因数の和:25628

約数の個数: 36

約数和(自身を含む): 326605440

約数和(自身を除く): 171187436

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 25579, 51158, 102316, 179053, 358106, 716212, 792949, 1253371, 1585898, 2506742, 3171796, 5013484, 5550643, 11101286, 22202572, 38854501, 77709002, 155418004]

約数ペア:

[(1, 155418004), (2, 77709002), (4, 38854501), (7, 22202572), (14, 11101286), (28, 5550643), (31, 5013484), (49, 3171796), (62, 2506742), (98, 1585898), (124, 1253371), (196, 792949), (217, 716212), (434, 358106), (868, 179053), (1519, 102316), (3038, 51158), (6076, 25579)]