72216235

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 111205440

約数和(自身を除く): 38989205

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 169, 203, 377, 421, 455, 845, 1015, 1183, 1885, 2105, 2639, 2947, 4901, 5473, 5915, 12209, 13195, 14735, 24505, 27365, 34307, 38311, 61045, 71149, 85463, 158717, 171535, 191555, 355745, 427315, 498043, 793585, 1111019, 2063321, 2490215, 5555095, 10316605, 14443247, 72216235]

約数ペア:

[(1, 72216235), (5, 14443247), (7, 10316605), (13, 5555095), (29, 2490215), (35, 2063321), (65, 1111019), (91, 793585), (145, 498043), (169, 427315), (203, 355745), (377, 191555), (421, 171535), (455, 158717), (845, 85463), (1015, 71149), (1183, 61045), (1885, 38311), (2105, 34307), (2639, 27365), (2947, 24505), (4901, 14735), (5473, 13195), (5915, 12209)]