31080808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 69336000

約数和(自身を除く): 38255192

約数列:

[1, 2, 4, 8, 11, 19, 22, 29, 38, 44, 58, 76, 88, 116, 152, 209, 232, 319, 418, 551, 638, 641, 836, 1102, 1276, 1282, 1672, 2204, 2552, 2564, 4408, 5128, 6061, 7051, 12122, 12179, 14102, 18589, 24244, 24358, 28204, 37178, 48488, 48716, 56408, 74356, 97432, 133969, 148712, 204479, 267938, 353191, 408958, 535876, 706382, 817916, 1071752, 1412764, 1635832, 2825528, 3885101, 7770202, 15540404, 31080808]

約数ペア:

[(1, 31080808), (2, 15540404), (4, 7770202), (8, 3885101), (11, 2825528), (19, 1635832), (22, 1412764), (29, 1071752), (38, 817916), (44, 706382), (58, 535876), (76, 408958), (88, 353191), (116, 267938), (152, 204479), (209, 148712), (232, 133969), (319, 97432), (418, 74356), (551, 56408), (638, 48716), (641, 48488), (836, 37178), (1102, 28204), (1276, 24358), (1282, 24244), (1672, 18589), (2204, 14102), (2552, 12179), (2564, 12122), (4408, 7051), (5128, 6061)]