156331945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{827}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 234648576

約数和(自身を除く): 78316631

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 491, 827, 2455, 3437, 4135, 5401, 5789, 9097, 17185, 27005, 28945, 37807, 45485, 63679, 189035, 318395, 406057, 2030285, 2842399, 4466627, 14211995, 22333135, 31266389, 156331945]

約数ペア:

[(1, 156331945), (5, 31266389), (7, 22333135), (11, 14211995), (35, 4466627), (55, 2842399), (77, 2030285), (385, 406057), (491, 318395), (827, 189035), (2455, 63679), (3437, 45485), (4135, 37807), (5401, 28945), (5789, 27005), (9097, 17185)]