263387201

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 351827712

約数和(自身を除く): 88440511

約数列:

[1, 7, 11, 37, 47, 49, 77, 259, 281, 329, 407, 517, 539, 1739, 1813, 1967, 2303, 2849, 3091, 3619, 10397, 12173, 13207, 13769, 19129, 19943, 21637, 25333, 72779, 85211, 92449, 114367, 133903, 145277, 151459, 488659, 509453, 647143, 800569, 937321, 1016939, 3420613, 5375249, 5603983, 7118573, 23944291, 37626743, 263387201]

約数ペア:

[(1, 263387201), (7, 37626743), (11, 23944291), (37, 7118573), (47, 5603983), (49, 5375249), (77, 3420613), (259, 1016939), (281, 937321), (329, 800569), (407, 647143), (517, 509453), (539, 488659), (1739, 151459), (1813, 145277), (1967, 133903), (2303, 114367), (2849, 92449), (3091, 85211), (3619, 72779), (10397, 25333), (12173, 21637), (13207, 19943), (13769, 19129)]