80144948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 156991296

約数和(自身を除く): 76846348

約数列:

[1, 2, 4, 13, 26, 43, 52, 73, 86, 146, 172, 292, 491, 559, 949, 982, 1118, 1898, 1964, 2236, 3139, 3796, 6278, 6383, 12556, 12766, 21113, 25532, 35843, 40807, 42226, 71686, 81614, 84452, 143372, 163228, 274469, 465959, 548938, 931918, 1097876, 1541249, 1863836, 3082498, 6164996, 20036237, 40072474, 80144948]

約数ペア:

[(1, 80144948), (2, 40072474), (4, 20036237), (13, 6164996), (26, 3082498), (43, 1863836), (52, 1541249), (73, 1097876), (86, 931918), (146, 548938), (172, 465959), (292, 274469), (491, 163228), (559, 143372), (949, 84452), (982, 81614), (1118, 71686), (1898, 42226), (1964, 40807), (2236, 35843), (3139, 25532), (3796, 21113), (6278, 12766), (6383, 12556)]