814182425

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 1188054912

約数和(自身を除く): 373872487

約数列:

[1, 5, 7, 25, 35, 43, 175, 215, 257, 301, 421, 1075, 1285, 1505, 1799, 2105, 2947, 6425, 7525, 8995, 10525, 11051, 14735, 18103, 44975, 55255, 73675, 77357, 90515, 108197, 126721, 276275, 386785, 452575, 540985, 633605, 757379, 1933925, 2704925, 3168025, 3786895, 4652471, 18934475, 23262355, 32567297, 116311775, 162836485, 814182425]

約数ペア:

[(1, 814182425), (5, 162836485), (7, 116311775), (25, 32567297), (35, 23262355), (43, 18934475), (175, 4652471), (215, 3786895), (257, 3168025), (301, 2704925), (421, 1933925), (1075, 757379), (1285, 633605), (1505, 540985), (1799, 452575), (2105, 386785), (2947, 276275), (6425, 126721), (7525, 108197), (8995, 90515), (10525, 77357), (11051, 73675), (14735, 55255), (18103, 44975)]