71778392

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 160358400

約数和(自身を除く): 88580008

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 173, 217, 239, 248, 346, 434, 478, 692, 868, 956, 1211, 1384, 1673, 1736, 1912, 2422, 3346, 4844, 5363, 6692, 7409, 9688, 10726, 13384, 14818, 21452, 29636, 37541, 41347, 42904, 51863, 59272, 75082, 82694, 103726, 150164, 165388, 207452, 289429, 300328, 330776, 414904, 578858, 1157716, 1281757, 2315432, 2563514, 5127028, 8972299, 10254056, 17944598, 35889196, 71778392]

約数ペア:

[(1, 71778392), (2, 35889196), (4, 17944598), (7, 10254056), (8, 8972299), (14, 5127028), (28, 2563514), (31, 2315432), (56, 1281757), (62, 1157716), (124, 578858), (173, 414904), (217, 330776), (239, 300328), (248, 289429), (346, 207452), (434, 165388), (478, 150164), (692, 103726), (868, 82694), (956, 75082), (1211, 59272), (1384, 51863), (1673, 42904), (1736, 41347), (1912, 37541), (2422, 29636), (3346, 21452), (4844, 14818), (5363, 13384), (6692, 10726), (7409, 9688)]