28403804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 65028096

約数和(自身を除く): 36624292

約数列:

[1, 2, 4, 11, 13, 17, 22, 23, 26, 34, 44, 46, 52, 68, 92, 127, 143, 187, 221, 253, 254, 286, 299, 374, 391, 442, 506, 508, 572, 598, 748, 782, 884, 1012, 1196, 1397, 1564, 1651, 2159, 2431, 2794, 2921, 3289, 3302, 4301, 4318, 4862, 5083, 5588, 5842, 6578, 6604, 8602, 8636, 9724, 10166, 11684, 13156, 17204, 18161, 20332, 23749, 28067, 32131, 36322, 37973, 47498, 49657, 55913, 56134, 64262, 72644, 75946, 94996, 99314, 111826, 112268, 128524, 151892, 198628, 223652, 308737, 417703, 546227, 617474, 645541, 835406, 1092454, 1234948, 1291082, 1670812, 2184908, 2582164, 7100951, 14201902, 28403804]

約数ペア:

[(1, 28403804), (2, 14201902), (4, 7100951), (11, 2582164), (13, 2184908), (17, 1670812), (22, 1291082), (23, 1234948), (26, 1092454), (34, 835406), (44, 645541), (46, 617474), (52, 546227), (68, 417703), (92, 308737), (127, 223652), (143, 198628), (187, 151892), (221, 128524), (253, 112268), (254, 111826), (286, 99314), (299, 94996), (374, 75946), (391, 72644), (442, 64262), (506, 56134), (508, 55913), (572, 49657), (598, 47498), (748, 37973), (782, 36322), (884, 32131), (1012, 28067), (1196, 23749), (1397, 20332), (1564, 18161), (1651, 17204), (2159, 13156), (2431, 11684), (2794, 10166), (2921, 9724), (3289, 8636), (3302, 8602), (4301, 6604), (4318, 6578), (4862, 5842), (5083, 5588)]