172311172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 335567232

約数和(自身を除く): 163256060

約数列:

[1, 2, 4, 11, 22, 44, 103, 193, 197, 206, 386, 394, 412, 772, 788, 1133, 2123, 2167, 2266, 4246, 4334, 4532, 8492, 8668, 19879, 20291, 38021, 39758, 40582, 76042, 79516, 81164, 152084, 218669, 223201, 418231, 437338, 446402, 836462, 874676, 892804, 1672924, 3916163, 7832326, 15664652, 43077793, 86155586, 172311172]

約数ペア:

[(1, 172311172), (2, 86155586), (4, 43077793), (11, 15664652), (22, 7832326), (44, 3916163), (103, 1672924), (193, 892804), (197, 874676), (206, 836462), (386, 446402), (394, 437338), (412, 418231), (772, 223201), (788, 218669), (1133, 152084), (2123, 81164), (2167, 79516), (2266, 76042), (4246, 40582), (4334, 39758), (4532, 38021), (8492, 20291), (8668, 19879)]