191500088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 409920000

約数和(自身を除く): 218419912

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 199, 247, 398, 487, 494, 796, 974, 988, 1592, 1948, 1976, 2587, 3781, 3896, 5174, 6331, 7562, 9253, 10348, 12662, 15124, 18506, 20696, 25324, 30248, 37012, 49153, 50648, 74024, 96913, 98306, 120289, 193826, 196612, 240578, 387652, 393224, 481156, 775304, 962312, 1259869, 1841347, 2519738, 3682694, 5039476, 7365388, 10078952, 14730776, 23937511, 47875022, 95750044, 191500088]

約数ペア:

[(1, 191500088), (2, 95750044), (4, 47875022), (8, 23937511), (13, 14730776), (19, 10078952), (26, 7365388), (38, 5039476), (52, 3682694), (76, 2519738), (104, 1841347), (152, 1259869), (199, 962312), (247, 775304), (398, 481156), (487, 393224), (494, 387652), (796, 240578), (974, 196612), (988, 193826), (1592, 120289), (1948, 98306), (1976, 96913), (2587, 74024), (3781, 50648), (3896, 49153), (5174, 37012), (6331, 30248), (7562, 25324), (9253, 20696), (10348, 18506), (12662, 15124)]