221426504

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{823}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 452376000

約数和(自身を除く): 230949496

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 199, 338, 398, 676, 796, 823, 1352, 1592, 1646, 2587, 3292, 5174, 6584, 10348, 10699, 20696, 21398, 33631, 42796, 67262, 85592, 134524, 139087, 163777, 269048, 278174, 327554, 556348, 655108, 1112696, 1310216, 2129101, 4258202, 8516404, 17032808, 27678313, 55356626, 110713252, 221426504]

約数ペア:

[(1, 221426504), (2, 110713252), (4, 55356626), (8, 27678313), (13, 17032808), (26, 8516404), (52, 4258202), (104, 2129101), (169, 1310216), (199, 1112696), (338, 655108), (398, 556348), (676, 327554), (796, 278174), (823, 269048), (1352, 163777), (1592, 139087), (1646, 134524), (2587, 85592), (3292, 67262), (5174, 42796), (6584, 33631), (10348, 21398), (10699, 20696)]