72537745

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{359}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 104509440

約数和(自身を除く): 31971695

約数列:

[1, 5, 7, 23, 35, 115, 161, 251, 359, 805, 1255, 1757, 1795, 2513, 5773, 8257, 8785, 12565, 28865, 40411, 41285, 57799, 90109, 202055, 288995, 450545, 630763, 2072507, 3153815, 10362535, 14507549, 72537745]

約数ペア:

[(1, 72537745), (5, 14507549), (7, 10362535), (23, 3153815), (35, 2072507), (115, 630763), (161, 450545), (251, 288995), (359, 202055), (805, 90109), (1255, 57799), (1757, 41285), (1795, 40411), (2513, 28865), (5773, 12565), (8257, 8785)]