671696816

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:539

約数の個数: 120

約数和(自身を含む): 1615744800

約数和(自身を除く): 944047984

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 37, 38, 56, 74, 76, 112, 133, 148, 152, 259, 266, 296, 304, 361, 449, 518, 532, 592, 703, 722, 898, 1036, 1064, 1406, 1444, 1796, 2072, 2128, 2527, 2812, 2888, 3143, 3592, 4144, 4921, 5054, 5624, 5776, 6286, 7184, 8531, 9842, 10108, 11248, 12572, 13357, 16613, 17062, 19684, 20216, 25144, 26714, 33226, 34124, 39368, 40432, 50288, 53428, 59717, 66452, 68248, 78736, 93499, 106856, 116291, 119434, 132904, 136496, 162089, 186998, 213712, 232582, 238868, 265808, 315647, 324178, 373996, 465164, 477736, 631294, 648356, 747992, 930328, 955472, 1134623, 1262588, 1296712, 1495984, 1860656, 2209529, 2269246, 2525176, 2593424, 4419058, 4538492, 5050352, 5997293, 8838116, 9076984, 11994586, 17676232, 18153968, 23989172, 35352464, 41981051, 47978344, 83962102, 95956688, 167924204, 335848408, 671696816]

約数ペア:

[(1, 671696816), (2, 335848408), (4, 167924204), (7, 95956688), (8, 83962102), (14, 47978344), (16, 41981051), (19, 35352464), (28, 23989172), (37, 18153968), (38, 17676232), (56, 11994586), (74, 9076984), (76, 8838116), (112, 5997293), (133, 5050352), (148, 4538492), (152, 4419058), (259, 2593424), (266, 2525176), (296, 2269246), (304, 2209529), (361, 1860656), (449, 1495984), (518, 1296712), (532, 1262588), (592, 1134623), (703, 955472), (722, 930328), (898, 747992), (1036, 648356), (1064, 631294), (1406, 477736), (1444, 465164), (1796, 373996), (2072, 324178), (2128, 315647), (2527, 265808), (2812, 238868), (2888, 232582), (3143, 213712), (3592, 186998), (4144, 162089), (4921, 136496), (5054, 132904), (5624, 119434), (5776, 116291), (6286, 106856), (7184, 93499), (8531, 78736), (9842, 68248), (10108, 66452), (11248, 59717), (12572, 53428), (13357, 50288), (16613, 40432), (17062, 39368), (19684, 34124), (20216, 33226), (25144, 26714)]