131398904

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{907}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 305088000

約数和(自身を除く): 173689096

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 199, 364, 398, 728, 796, 907, 1393, 1592, 1814, 2587, 2786, 3628, 5174, 5572, 6349, 7256, 10348, 11144, 11791, 12698, 18109, 20696, 23582, 25396, 36218, 47164, 50792, 72436, 82537, 94328, 144872, 165074, 180493, 330148, 360986, 660296, 721972, 1263451, 1443944, 2346409, 2526902, 4692818, 5053804, 9385636, 10107608, 16424863, 18771272, 32849726, 65699452, 131398904]

約数ペア:

[(1, 131398904), (2, 65699452), (4, 32849726), (7, 18771272), (8, 16424863), (13, 10107608), (14, 9385636), (26, 5053804), (28, 4692818), (52, 2526902), (56, 2346409), (91, 1443944), (104, 1263451), (182, 721972), (199, 660296), (364, 360986), (398, 330148), (728, 180493), (796, 165074), (907, 144872), (1393, 94328), (1592, 82537), (1814, 72436), (2587, 50792), (2786, 47164), (3628, 36218), (5174, 25396), (5572, 23582), (6349, 20696), (7256, 18109), (10348, 12698), (11144, 11791)]