221485166

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{7639}}^1$

素因数の和:7776

約数の個数: 32

約数和(自身を含む): 403392000

約数和(自身を除く): 181906834

約数列:

[1, 2, 7, 14, 19, 38, 109, 133, 218, 266, 763, 1526, 2071, 4142, 7639, 14497, 15278, 28994, 53473, 106946, 145141, 290282, 832651, 1015987, 1665302, 2031974, 5828557, 11657114, 15820369, 31640738, 110742583, 221485166]

約数ペア:

[(1, 221485166), (2, 110742583), (7, 31640738), (14, 15820369), (19, 11657114), (38, 5828557), (109, 2031974), (133, 1665302), (218, 1015987), (266, 832651), (763, 290282), (1526, 145141), (2071, 106946), (4142, 53473), (7639, 28994), (14497, 15278)]