1239581812

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7741}}^1$

素因数の和:7821

約数の個数: 72

約数和(自身を含む): 2718371040

約数和(自身を除く): 1478789228

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 76, 86, 98, 133, 172, 196, 266, 301, 532, 602, 817, 931, 1204, 1634, 1862, 2107, 3268, 3724, 4214, 5719, 7741, 8428, 11438, 15482, 22876, 30964, 40033, 54187, 80066, 108374, 147079, 160132, 216748, 294158, 332863, 379309, 588316, 665726, 758618, 1029553, 1331452, 1517236, 2059106, 2330041, 4118212, 4660082, 6324397, 7206871, 9320164, 12648794, 14413742, 16310287, 25297588, 28827484, 32620574, 44270779, 65241148, 88541558, 177083116, 309895453, 619790906, 1239581812]

約数ペア:

[(1, 1239581812), (2, 619790906), (4, 309895453), (7, 177083116), (14, 88541558), (19, 65241148), (28, 44270779), (38, 32620574), (43, 28827484), (49, 25297588), (76, 16310287), (86, 14413742), (98, 12648794), (133, 9320164), (172, 7206871), (196, 6324397), (266, 4660082), (301, 4118212), (532, 2330041), (602, 2059106), (817, 1517236), (931, 1331452), (1204, 1029553), (1634, 758618), (1862, 665726), (2107, 588316), (3268, 379309), (3724, 332863), (4214, 294158), (5719, 216748), (7741, 160132), (8428, 147079), (11438, 108374), (15482, 80066), (22876, 54187), (30964, 40033)]