81471348

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10429}}^1$

素因数の和:10477

約数の個数: 72

約数和(自身を含む): 242977280

約数和(自身を除く): 161505932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 10429, 20858, 31287, 41716, 62574, 73003, 93861, 125148, 146006, 187722, 219009, 292012, 323299, 375444, 438018, 646598, 657027, 876036, 969897, 1293196, 1314054, 1939794, 2263093, 2628108, 2909691, 3879588, 4526186, 5819382, 6789279, 9052372, 11638764, 13578558, 20367837, 27157116, 40735674, 81471348]

約数ペア:

[(1, 81471348), (2, 40735674), (3, 27157116), (4, 20367837), (6, 13578558), (7, 11638764), (9, 9052372), (12, 6789279), (14, 5819382), (18, 4526186), (21, 3879588), (28, 2909691), (31, 2628108), (36, 2263093), (42, 1939794), (62, 1314054), (63, 1293196), (84, 969897), (93, 876036), (124, 657027), (126, 646598), (186, 438018), (217, 375444), (252, 323299), (279, 292012), (372, 219009), (434, 187722), (558, 146006), (651, 125148), (868, 93861), (1116, 73003), (1302, 62574), (1953, 41716), (2604, 31287), (3906, 20858), (7812, 10429)]