217322665

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 331776000

約数和(自身を除く): 114453335

約数列:

[1, 5, 7, 19, 29, 35, 59, 95, 133, 145, 191, 203, 295, 413, 551, 665, 955, 1015, 1121, 1337, 1711, 2065, 2755, 3629, 3857, 5539, 5605, 6685, 7847, 8555, 11269, 11977, 18145, 19285, 25403, 27695, 32509, 38773, 39235, 56345, 59885, 78883, 105241, 127015, 162545, 193865, 214111, 227563, 326801, 394415, 526205, 736687, 1070555, 1137815, 1498777, 1634005, 2287607, 3683435, 6209219, 7493885, 11438035, 31046095, 43464533, 217322665]

約数ペア:

[(1, 217322665), (5, 43464533), (7, 31046095), (19, 11438035), (29, 7493885), (35, 6209219), (59, 3683435), (95, 2287607), (133, 1634005), (145, 1498777), (191, 1137815), (203, 1070555), (295, 736687), (413, 526205), (551, 394415), (665, 326801), (955, 227563), (1015, 214111), (1121, 193865), (1337, 162545), (1711, 127015), (2065, 105241), (2755, 78883), (3629, 59885), (3857, 56345), (5539, 39235), (5605, 38773), (6685, 32509), (7847, 27695), (8555, 25403), (11269, 19285), (11977, 18145)]