25238878

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 45849600

約数和(自身を除く): 20610722

約数列:

[1, 2, 7, 14, 19, 38, 133, 239, 266, 397, 478, 794, 1673, 2779, 3346, 4541, 5558, 7543, 9082, 15086, 31787, 52801, 63574, 94883, 105602, 189766, 664181, 1328362, 1802777, 3605554, 12619439, 25238878]

約数ペア:

[(1, 25238878), (2, 12619439), (7, 3605554), (14, 1802777), (19, 1328362), (38, 664181), (133, 189766), (239, 105602), (266, 94883), (397, 63574), (478, 52801), (794, 31787), (1673, 15086), (2779, 9082), (3346, 7543), (4541, 5558)]