31396816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 71870400

約数和(自身を除く): 40473584

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 41, 44, 76, 82, 88, 152, 164, 176, 209, 229, 304, 328, 418, 451, 458, 656, 779, 836, 902, 916, 1558, 1672, 1804, 1832, 2519, 3116, 3344, 3608, 3664, 4351, 5038, 6232, 7216, 8569, 8702, 9389, 10076, 12464, 17138, 17404, 18778, 20152, 34276, 34808, 37556, 40304, 47861, 68552, 69616, 75112, 95722, 103279, 137104, 150224, 178391, 191444, 206558, 356782, 382888, 413116, 713564, 765776, 826232, 1427128, 1652464, 1962301, 2854256, 3924602, 7849204, 15698408, 31396816]

約数ペア:

[(1, 31396816), (2, 15698408), (4, 7849204), (8, 3924602), (11, 2854256), (16, 1962301), (19, 1652464), (22, 1427128), (38, 826232), (41, 765776), (44, 713564), (76, 413116), (82, 382888), (88, 356782), (152, 206558), (164, 191444), (176, 178391), (209, 150224), (229, 137104), (304, 103279), (328, 95722), (418, 75112), (451, 69616), (458, 68552), (656, 47861), (779, 40304), (836, 37556), (902, 34808), (916, 34276), (1558, 20152), (1672, 18778), (1804, 17404), (1832, 17138), (2519, 12464), (3116, 10076), (3344, 9389), (3608, 8702), (3664, 8569), (4351, 7216), (5038, 6232)]