213345776

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 486825984

約数和(自身を除く): 273480208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 127, 212, 254, 283, 371, 424, 508, 566, 742, 848, 889, 1016, 1132, 1484, 1778, 1981, 2032, 2264, 2968, 3556, 3962, 4528, 5936, 6731, 7112, 7924, 13462, 14224, 14999, 15848, 26924, 29998, 31696, 35941, 47117, 53848, 59996, 71882, 94234, 104993, 107696, 119992, 143764, 188468, 209986, 239984, 251587, 287528, 376936, 419972, 503174, 575056, 753872, 839944, 1006348, 1679888, 1904873, 2012696, 3809746, 4025392, 7619492, 13334111, 15238984, 26668222, 30477968, 53336444, 106672888, 213345776]

約数ペア:

[(1, 213345776), (2, 106672888), (4, 53336444), (7, 30477968), (8, 26668222), (14, 15238984), (16, 13334111), (28, 7619492), (53, 4025392), (56, 3809746), (106, 2012696), (112, 1904873), (127, 1679888), (212, 1006348), (254, 839944), (283, 753872), (371, 575056), (424, 503174), (508, 419972), (566, 376936), (742, 287528), (848, 251587), (889, 239984), (1016, 209986), (1132, 188468), (1484, 143764), (1778, 119992), (1981, 107696), (2032, 104993), (2264, 94234), (2968, 71882), (3556, 59996), (3962, 53848), (4528, 47117), (5936, 35941), (6731, 31696), (7112, 29998), (7924, 26924), (13462, 15848), (14224, 14999)]