665873104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{16087}}^1$

素因数の和:16307

約数の個数: 40

約数和(自身を含む): 1396438400

約数和(自身を除く): 730565296

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 199, 208, 398, 796, 1592, 2587, 3184, 5174, 10348, 16087, 20696, 32174, 41392, 64348, 128696, 209131, 257392, 418262, 836524, 1673048, 3201313, 3346096, 6402626, 12805252, 25610504, 41617069, 51221008, 83234138, 166468276, 332936552, 665873104]

約数ペア:

[(1, 665873104), (2, 332936552), (4, 166468276), (8, 83234138), (13, 51221008), (16, 41617069), (26, 25610504), (52, 12805252), (104, 6402626), (199, 3346096), (208, 3201313), (398, 1673048), (796, 836524), (1592, 418262), (2587, 257392), (3184, 209131), (5174, 128696), (10348, 64348), (16087, 41392), (20696, 32174)]