31057796

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 69713280

約数和(自身を除く): 38655484

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 103, 121, 154, 178, 206, 242, 308, 356, 412, 484, 623, 721, 847, 979, 1133, 1246, 1442, 1694, 1958, 2266, 2492, 2884, 3388, 3916, 4532, 6853, 7931, 9167, 10769, 12463, 13706, 15862, 18334, 21538, 24926, 27412, 31724, 36668, 43076, 49852, 64169, 75383, 87241, 100837, 128338, 150766, 174482, 201674, 256676, 301532, 348964, 403348, 705859, 1109207, 1411718, 2218414, 2823436, 4436828, 7764449, 15528898, 31057796]

約数ペア:

[(1, 31057796), (2, 15528898), (4, 7764449), (7, 4436828), (11, 2823436), (14, 2218414), (22, 1411718), (28, 1109207), (44, 705859), (77, 403348), (89, 348964), (103, 301532), (121, 256676), (154, 201674), (178, 174482), (206, 150766), (242, 128338), (308, 100837), (356, 87241), (412, 75383), (484, 64169), (623, 49852), (721, 43076), (847, 36668), (979, 31724), (1133, 27412), (1246, 24926), (1442, 21538), (1694, 18334), (1958, 15862), (2266, 13706), (2492, 12463), (2884, 10769), (3388, 9167), (3916, 7931), (4532, 6853)]