231508990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{7583}}^1$

素因数の和:7704

約数の個数: 32

約数和(自身を含む): 432470016

約数和(自身を除く): 200961026

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 710, 3053, 6106, 7583, 15166, 15265, 30530, 37915, 75830, 326069, 538393, 652138, 1076786, 1630345, 2691965, 3260690, 5383930, 23150899, 46301798, 115754495, 231508990]

約数ペア:

[(1, 231508990), (2, 115754495), (5, 46301798), (10, 23150899), (43, 5383930), (71, 3260690), (86, 2691965), (142, 1630345), (215, 1076786), (355, 652138), (430, 538393), (710, 326069), (3053, 75830), (6106, 37915), (7583, 30530), (15166, 15265)]