81453112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 172368000

約数和(自身を除く): 90914888

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 113, 116, 226, 232, 239, 377, 452, 478, 754, 904, 956, 1469, 1508, 1912, 2938, 3016, 3107, 3277, 5876, 6214, 6554, 6931, 11752, 12428, 13108, 13862, 24856, 26216, 27007, 27724, 42601, 54014, 55448, 85202, 90103, 108028, 170404, 180206, 216056, 340808, 351091, 360412, 702182, 720824, 783203, 1404364, 1566406, 2808728, 3132812, 6265624, 10181639, 20363278, 40726556, 81453112]

約数ペア:

[(1, 81453112), (2, 40726556), (4, 20363278), (8, 10181639), (13, 6265624), (26, 3132812), (29, 2808728), (52, 1566406), (58, 1404364), (104, 783203), (113, 720824), (116, 702182), (226, 360412), (232, 351091), (239, 340808), (377, 216056), (452, 180206), (478, 170404), (754, 108028), (904, 90103), (956, 85202), (1469, 55448), (1508, 54014), (1912, 42601), (2938, 27724), (3016, 27007), (3107, 26216), (3277, 24856), (5876, 13862), (6214, 13108), (6554, 12428), (6931, 11752)]