78624812

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:571

約数の個数: 72

約数和(自身を含む): 172751040

約数和(自身を除く): 94126228

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 76, 86, 98, 133, 172, 196, 266, 301, 491, 532, 602, 817, 931, 982, 1204, 1634, 1862, 1964, 2107, 3268, 3437, 3724, 4214, 5719, 6874, 8428, 9329, 11438, 13748, 18658, 21113, 22876, 24059, 37316, 40033, 42226, 48118, 65303, 80066, 84452, 96236, 130606, 147791, 160132, 261212, 295582, 401147, 457121, 591164, 802294, 914242, 1034537, 1604588, 1828484, 2069074, 2808029, 4138148, 5616058, 11232116, 19656203, 39312406, 78624812]

約数ペア:

[(1, 78624812), (2, 39312406), (4, 19656203), (7, 11232116), (14, 5616058), (19, 4138148), (28, 2808029), (38, 2069074), (43, 1828484), (49, 1604588), (76, 1034537), (86, 914242), (98, 802294), (133, 591164), (172, 457121), (196, 401147), (266, 295582), (301, 261212), (491, 160132), (532, 147791), (602, 130606), (817, 96236), (931, 84452), (982, 80066), (1204, 65303), (1634, 48118), (1862, 42226), (1964, 40033), (2107, 37316), (3268, 24059), (3437, 22876), (3724, 21113), (4214, 18658), (5719, 13748), (6874, 11438), (8428, 9329)]