78986648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 170553600

約数和(自身を除く): 91566952

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 71, 76, 104, 142, 152, 247, 284, 494, 563, 568, 923, 988, 1126, 1349, 1846, 1976, 2252, 2698, 3692, 4504, 5396, 7319, 7384, 10697, 10792, 14638, 17537, 21394, 29276, 35074, 39973, 42788, 58552, 70148, 79946, 85576, 139061, 140296, 159892, 278122, 319784, 519649, 556244, 759487, 1039298, 1112488, 1518974, 2078596, 3037948, 4157192, 6075896, 9873331, 19746662, 39493324, 78986648]

約数ペア:

[(1, 78986648), (2, 39493324), (4, 19746662), (8, 9873331), (13, 6075896), (19, 4157192), (26, 3037948), (38, 2078596), (52, 1518974), (71, 1112488), (76, 1039298), (104, 759487), (142, 556244), (152, 519649), (247, 319784), (284, 278122), (494, 159892), (563, 140296), (568, 139061), (923, 85576), (988, 79946), (1126, 70148), (1349, 58552), (1846, 42788), (1976, 39973), (2252, 35074), (2698, 29276), (3692, 21394), (4504, 17537), (5396, 14638), (7319, 10792), (7384, 10697)]