719409808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6563}}^1$

素因数の和:6632

約数の個数: 80

約数和(自身を含む): 1640894976

約数和(自身を除く): 921485168

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 442, 496, 527, 806, 884, 1054, 1612, 1768, 2108, 3224, 3536, 4216, 6448, 6563, 6851, 8432, 13126, 13702, 26252, 27404, 52504, 54808, 85319, 105008, 109616, 111571, 170638, 203453, 223142, 341276, 406906, 446284, 682552, 813812, 892568, 1365104, 1450423, 1627624, 1785136, 2644889, 2900846, 3255248, 3458701, 5289778, 5801692, 6917402, 10579556, 11603384, 13834804, 21159112, 23206768, 27669608, 42318224, 44963113, 55339216, 89926226, 179852452, 359704904, 719409808]

約数ペア:

[(1, 719409808), (2, 359704904), (4, 179852452), (8, 89926226), (13, 55339216), (16, 44963113), (17, 42318224), (26, 27669608), (31, 23206768), (34, 21159112), (52, 13834804), (62, 11603384), (68, 10579556), (104, 6917402), (124, 5801692), (136, 5289778), (208, 3458701), (221, 3255248), (248, 2900846), (272, 2644889), (403, 1785136), (442, 1627624), (496, 1450423), (527, 1365104), (806, 892568), (884, 813812), (1054, 682552), (1612, 446284), (1768, 406906), (2108, 341276), (3224, 223142), (3536, 203453), (4216, 170638), (6448, 111571), (6563, 109616), (6851, 105008), (8432, 85319), (13126, 54808), (13702, 52504), (26252, 27404)]