28841785

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 12215495

約数列:

[1, 5, 7, 35, 47, 89, 197, 235, 329, 445, 623, 985, 1379, 1645, 3115, 4183, 6895, 9259, 17533, 20915, 29281, 46295, 64813, 87665, 122731, 146405, 324065, 613655, 824051, 4120255, 5768357, 28841785]

約数ペア:

[(1, 28841785), (5, 5768357), (7, 4120255), (35, 824051), (47, 613655), (89, 324065), (197, 146405), (235, 122731), (329, 87665), (445, 64813), (623, 46295), (985, 29281), (1379, 20915), (1645, 17533), (3115, 9259), (4183, 6895)]