181231208

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 367718400

約数和(自身を除く): 186487192

約数列:

[1, 2, 4, 8, 29, 31, 58, 62, 113, 116, 124, 223, 226, 232, 248, 446, 452, 892, 899, 904, 1784, 1798, 3277, 3503, 3596, 6467, 6554, 6913, 7006, 7192, 12934, 13108, 13826, 14012, 25199, 25868, 26216, 27652, 28024, 50398, 51736, 55304, 100796, 101587, 200477, 201592, 203174, 400954, 406348, 730771, 781169, 801908, 812696, 1461542, 1562338, 1603816, 2923084, 3124676, 5846168, 6249352, 22653901, 45307802, 90615604, 181231208]

約数ペア:

[(1, 181231208), (2, 90615604), (4, 45307802), (8, 22653901), (29, 6249352), (31, 5846168), (58, 3124676), (62, 2923084), (113, 1603816), (116, 1562338), (124, 1461542), (223, 812696), (226, 801908), (232, 781169), (248, 730771), (446, 406348), (452, 400954), (892, 203174), (899, 201592), (904, 200477), (1784, 101587), (1798, 100796), (3277, 55304), (3503, 51736), (3596, 50398), (6467, 28024), (6554, 27652), (6913, 26216), (7006, 25868), (7192, 25199), (12934, 14012), (13108, 13826)]