28169204

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 65028096

約数和(自身を除く): 36858892

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 31, 34, 46, 62, 68, 83, 92, 119, 124, 161, 166, 217, 238, 322, 332, 391, 434, 476, 527, 581, 644, 713, 782, 868, 1054, 1162, 1411, 1426, 1564, 1909, 2108, 2324, 2573, 2737, 2822, 2852, 3689, 3818, 4991, 5146, 5474, 5644, 7378, 7636, 9877, 9982, 10292, 10948, 12121, 13363, 14756, 18011, 19754, 19964, 24242, 26726, 32453, 36022, 39508, 43741, 48484, 53452, 59179, 64906, 72044, 84847, 87482, 118358, 129812, 169694, 174964, 227171, 236716, 306187, 339388, 414253, 454342, 612374, 828506, 908684, 1006043, 1224748, 1657012, 2012086, 4024172, 7042301, 14084602, 28169204]

約数ペア:

[(1, 28169204), (2, 14084602), (4, 7042301), (7, 4024172), (14, 2012086), (17, 1657012), (23, 1224748), (28, 1006043), (31, 908684), (34, 828506), (46, 612374), (62, 454342), (68, 414253), (83, 339388), (92, 306187), (119, 236716), (124, 227171), (161, 174964), (166, 169694), (217, 129812), (238, 118358), (322, 87482), (332, 84847), (391, 72044), (434, 64906), (476, 59179), (527, 53452), (581, 48484), (644, 43741), (713, 39508), (782, 36022), (868, 32453), (1054, 26726), (1162, 24242), (1411, 19964), (1426, 19754), (1564, 18011), (1909, 14756), (2108, 13363), (2324, 12121), (2573, 10948), (2737, 10292), (2822, 9982), (2852, 9877), (3689, 7636), (3818, 7378), (4991, 5644), (5146, 5474)]