78561808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 175127680

約数和(自身を除く): 96565872

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 103, 104, 152, 193, 206, 208, 247, 304, 386, 412, 494, 772, 824, 988, 1339, 1544, 1648, 1957, 1976, 2509, 2678, 3088, 3667, 3914, 3952, 5018, 5356, 7334, 7828, 10036, 10712, 14668, 15656, 19879, 20072, 21424, 25441, 29336, 31312, 39758, 40144, 47671, 50882, 58672, 79516, 95342, 101764, 159032, 190684, 203528, 258427, 318064, 377701, 381368, 407056, 516854, 755402, 762736, 1033708, 1510804, 2067416, 3021608, 4134832, 4910113, 6043216, 9820226, 19640452, 39280904, 78561808]

約数ペア:

[(1, 78561808), (2, 39280904), (4, 19640452), (8, 9820226), (13, 6043216), (16, 4910113), (19, 4134832), (26, 3021608), (38, 2067416), (52, 1510804), (76, 1033708), (103, 762736), (104, 755402), (152, 516854), (193, 407056), (206, 381368), (208, 377701), (247, 318064), (304, 258427), (386, 203528), (412, 190684), (494, 159032), (772, 101764), (824, 95342), (988, 79516), (1339, 58672), (1544, 50882), (1648, 47671), (1957, 40144), (1976, 39758), (2509, 31312), (2678, 29336), (3088, 25441), (3667, 21424), (3914, 20072), (3952, 19879), (5018, 15656), (5356, 14668), (7334, 10712), (7828, 10036)]