216310465

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{8867}}^1$

素因数の和:8937

約数の個数: 32

約数和(自身を含む): 321801984

約数和(自身を除く): 105491519

約数列:

[1, 5, 7, 17, 35, 41, 85, 119, 205, 287, 595, 697, 1435, 3485, 4879, 8867, 24395, 44335, 62069, 150739, 310345, 363547, 753695, 1055173, 1817735, 2544829, 5275865, 6180299, 12724145, 30901495, 43262093, 216310465]

約数ペア:

[(1, 216310465), (5, 43262093), (7, 30901495), (17, 12724145), (35, 6180299), (41, 5275865), (85, 2544829), (119, 1817735), (205, 1055173), (287, 753695), (595, 363547), (697, 310345), (1435, 150739), (3485, 62069), (4879, 44335), (8867, 24395)]