16983925

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 25708672

約数和(自身を除く): 8724747

約数列:

[1, 5, 7, 25, 35, 37, 43, 61, 175, 185, 215, 259, 301, 305, 427, 925, 1075, 1295, 1505, 1525, 1591, 2135, 2257, 2623, 6475, 7525, 7955, 10675, 11137, 11285, 13115, 15799, 18361, 39775, 55685, 56425, 65575, 78995, 91805, 97051, 278425, 394975, 459025, 485255, 679357, 2426275, 3396785, 16983925]

約数ペア:

[(1, 16983925), (5, 3396785), (7, 2426275), (25, 679357), (35, 485255), (37, 459025), (43, 394975), (61, 278425), (175, 97051), (185, 91805), (215, 78995), (259, 65575), (301, 56425), (305, 55685), (427, 39775), (925, 18361), (1075, 15799), (1295, 13115), (1505, 11285), (1525, 11137), (1591, 10675), (2135, 7955), (2257, 7525), (2623, 6475)]