31432388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 66562776

約数和(自身を除く): 35130388

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 37, 52, 62, 68, 74, 124, 148, 221, 403, 442, 481, 527, 629, 806, 884, 961, 962, 1054, 1147, 1258, 1612, 1922, 1924, 2108, 2294, 2516, 3844, 4588, 6851, 8177, 12493, 13702, 14911, 16337, 16354, 19499, 24986, 27404, 29822, 32674, 32708, 35557, 38998, 49972, 59644, 65348, 71114, 77996, 142228, 212381, 253487, 424762, 462241, 506974, 604469, 849524, 924482, 1013948, 1208938, 1848964, 2417876, 7858097, 15716194, 31432388]

約数ペア:

[(1, 31432388), (2, 15716194), (4, 7858097), (13, 2417876), (17, 1848964), (26, 1208938), (31, 1013948), (34, 924482), (37, 849524), (52, 604469), (62, 506974), (68, 462241), (74, 424762), (124, 253487), (148, 212381), (221, 142228), (403, 77996), (442, 71114), (481, 65348), (527, 59644), (629, 49972), (806, 38998), (884, 35557), (961, 32708), (962, 32674), (1054, 29822), (1147, 27404), (1258, 24986), (1612, 19499), (1922, 16354), (1924, 16337), (2108, 14911), (2294, 13702), (2516, 12493), (3844, 8177), (4588, 6851)]