206545105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 298368000

約数和(自身を除く): 91822895

約数列:

[1, 5, 13, 19, 29, 65, 73, 79, 95, 145, 247, 365, 377, 395, 551, 949, 1027, 1235, 1387, 1501, 1885, 2117, 2291, 2755, 4745, 5135, 5767, 6935, 7163, 7505, 10585, 11455, 18031, 19513, 27521, 28835, 29783, 35815, 40223, 43529, 74971, 90155, 97565, 109573, 137605, 148915, 167243, 201115, 217645, 374855, 522899, 547865, 565877, 836215, 1424449, 2174159, 2614495, 2829385, 3177617, 7122245, 10870795, 15888085, 41309021, 206545105]

約数ペア:

[(1, 206545105), (5, 41309021), (13, 15888085), (19, 10870795), (29, 7122245), (65, 3177617), (73, 2829385), (79, 2614495), (95, 2174159), (145, 1424449), (247, 836215), (365, 565877), (377, 547865), (395, 522899), (551, 374855), (949, 217645), (1027, 201115), (1235, 167243), (1387, 148915), (1501, 137605), (1885, 109573), (2117, 97565), (2291, 90155), (2755, 74971), (4745, 43529), (5135, 40223), (5767, 35815), (6935, 29783), (7163, 28835), (7505, 27521), (10585, 19513), (11455, 18031)]