211968575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4051}}^1$

素因数の和:4104

約数の個数: 48

約数和(自身を含む): 337645056

約数和(自身を除く): 125676481

約数列:

[1, 5, 7, 13, 23, 25, 35, 65, 91, 115, 161, 175, 299, 325, 455, 575, 805, 1495, 2093, 2275, 4025, 4051, 7475, 10465, 20255, 28357, 52325, 52663, 93173, 101275, 141785, 263315, 368641, 465865, 652211, 708925, 1211249, 1316575, 1843205, 2329325, 3261055, 6056245, 8478743, 9216025, 16305275, 30281225, 42393715, 211968575]

約数ペア:

[(1, 211968575), (5, 42393715), (7, 30281225), (13, 16305275), (23, 9216025), (25, 8478743), (35, 6056245), (65, 3261055), (91, 2329325), (115, 1843205), (161, 1316575), (175, 1211249), (299, 708925), (325, 652211), (455, 465865), (575, 368641), (805, 263315), (1495, 141785), (2093, 101275), (2275, 93173), (4025, 52663), (4051, 52325), (7475, 28357), (10465, 20255)]