213504193

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 262766592

約数和(自身を除く): 49262399

約数列:

[1, 7, 23, 53, 131, 161, 191, 371, 917, 1219, 1337, 3013, 4393, 6943, 8533, 10123, 21091, 25021, 30751, 48601, 70861, 159689, 175147, 232829, 575483, 1117823, 1326113, 1629803, 4028381, 9282791, 30500599, 213504193]

約数ペア:

[(1, 213504193), (7, 30500599), (23, 9282791), (53, 4028381), (131, 1629803), (161, 1326113), (191, 1117823), (371, 575483), (917, 232829), (1219, 175147), (1337, 159689), (3013, 70861), (4393, 48601), (6943, 30751), (8533, 25021), (10123, 21091)]