72389723

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 92389248

約数和(自身を除く): 19999525

約数列:

[1, 7, 17, 37, 41, 119, 259, 287, 401, 629, 697, 1517, 2807, 4403, 4879, 6817, 10619, 14837, 16441, 25789, 47719, 103859, 115087, 180523, 252229, 279497, 608317, 1765603, 1956479, 4258219, 10341389, 72389723]

約数ペア:

[(1, 72389723), (7, 10341389), (17, 4258219), (37, 1956479), (41, 1765603), (119, 608317), (259, 279497), (287, 252229), (401, 180523), (629, 115087), (697, 103859), (1517, 47719), (2807, 25789), (4403, 16441), (4879, 14837), (6817, 10619)]