78005452

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 172540368

約数和(自身を除く): 94534916

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 41, 49, 68, 82, 98, 119, 164, 196, 238, 287, 476, 571, 574, 697, 833, 1142, 1148, 1394, 1666, 2009, 2284, 2788, 3332, 3997, 4018, 4879, 7994, 8036, 9707, 9758, 15988, 19414, 19516, 23411, 27979, 34153, 38828, 46822, 55958, 67949, 68306, 93644, 111916, 135898, 136612, 163877, 271796, 327754, 397987, 475643, 655508, 795974, 951286, 1147139, 1591948, 1902572, 2294278, 2785909, 4588556, 5571818, 11143636, 19501363, 39002726, 78005452]

約数ペア:

[(1, 78005452), (2, 39002726), (4, 19501363), (7, 11143636), (14, 5571818), (17, 4588556), (28, 2785909), (34, 2294278), (41, 1902572), (49, 1591948), (68, 1147139), (82, 951286), (98, 795974), (119, 655508), (164, 475643), (196, 397987), (238, 327754), (287, 271796), (476, 163877), (571, 136612), (574, 135898), (697, 111916), (833, 93644), (1142, 68306), (1148, 67949), (1394, 55958), (1666, 46822), (2009, 38828), (2284, 34153), (2788, 27979), (3332, 23411), (3997, 19516), (4018, 19414), (4879, 15988), (7994, 9758), (8036, 9707)]