131291216

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{599}}^1$

素因数の和:736

約数の個数: 80

約数和(自身を含む): 309504000

約数和(自身を除く): 178212784

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 103, 112, 133, 152, 206, 266, 304, 412, 532, 599, 721, 824, 1064, 1198, 1442, 1648, 1957, 2128, 2396, 2884, 3914, 4193, 4792, 5768, 7828, 8386, 9584, 11381, 11536, 13699, 15656, 16772, 22762, 27398, 31312, 33544, 45524, 54796, 61697, 67088, 79667, 91048, 109592, 123394, 159334, 182096, 219184, 246788, 318668, 431879, 493576, 637336, 863758, 987152, 1172243, 1274672, 1727516, 2344486, 3455032, 4688972, 6910064, 8205701, 9377944, 16411402, 18755888, 32822804, 65645608, 131291216]

約数ペア:

[(1, 131291216), (2, 65645608), (4, 32822804), (7, 18755888), (8, 16411402), (14, 9377944), (16, 8205701), (19, 6910064), (28, 4688972), (38, 3455032), (56, 2344486), (76, 1727516), (103, 1274672), (112, 1172243), (133, 987152), (152, 863758), (206, 637336), (266, 493576), (304, 431879), (412, 318668), (532, 246788), (599, 219184), (721, 182096), (824, 159334), (1064, 123394), (1198, 109592), (1442, 91048), (1648, 79667), (1957, 67088), (2128, 61697), (2396, 54796), (2884, 45524), (3914, 33544), (4193, 31312), (4792, 27398), (5768, 22762), (7828, 16772), (8386, 15656), (9584, 13699), (11381, 11536)]