31601648

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:107

約数の個数: 80

約数和(自身を含む): 70828800

約数和(自身を除く): 39227152

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 31, 52, 58, 62, 104, 116, 124, 169, 208, 232, 248, 338, 377, 403, 464, 496, 676, 754, 806, 899, 1352, 1508, 1612, 1798, 2197, 2704, 3016, 3224, 3596, 4394, 4901, 5239, 6032, 6448, 7192, 8788, 9802, 10478, 11687, 14384, 17576, 19604, 20956, 23374, 35152, 39208, 41912, 46748, 63713, 68107, 78416, 83824, 93496, 127426, 136214, 151931, 186992, 254852, 272428, 303862, 509704, 544856, 607724, 1019408, 1089712, 1215448, 1975103, 2430896, 3950206, 7900412, 15800824, 31601648]

約数ペア:

[(1, 31601648), (2, 15800824), (4, 7900412), (8, 3950206), (13, 2430896), (16, 1975103), (26, 1215448), (29, 1089712), (31, 1019408), (52, 607724), (58, 544856), (62, 509704), (104, 303862), (116, 272428), (124, 254852), (169, 186992), (208, 151931), (232, 136214), (248, 127426), (338, 93496), (377, 83824), (403, 78416), (464, 68107), (496, 63713), (676, 46748), (754, 41912), (806, 39208), (899, 35152), (1352, 23374), (1508, 20956), (1612, 19604), (1798, 17576), (2197, 14384), (2704, 11687), (3016, 10478), (3224, 9802), (3596, 8788), (4394, 7192), (4901, 6448), (5239, 6032)]