56721469

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 70486200

約数和(自身を除く): 13764731

約数列:

[1, 7, 17, 49, 119, 149, 457, 833, 1043, 2533, 3199, 7301, 7769, 17731, 22393, 54383, 68093, 124117, 380681, 476651, 1157581, 3336557, 8103067, 56721469]

約数ペア:

[(1, 56721469), (7, 8103067), (17, 3336557), (49, 1157581), (119, 476651), (149, 380681), (457, 124117), (833, 68093), (1043, 54383), (2533, 22393), (3199, 17731), (7301, 7769)]