28402088

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 65803080

約数和(自身を除く): 37400992

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 37, 44, 52, 61, 74, 88, 104, 121, 122, 143, 148, 242, 244, 286, 296, 407, 481, 484, 488, 572, 671, 793, 814, 962, 968, 1144, 1342, 1573, 1586, 1628, 1924, 2257, 2684, 3146, 3172, 3256, 3848, 4477, 4514, 5291, 5368, 6292, 6344, 7381, 8723, 8954, 9028, 10582, 12584, 14762, 17446, 17908, 18056, 21164, 24827, 29341, 29524, 34892, 35816, 42328, 49654, 58201, 58682, 59048, 69784, 95953, 99308, 116402, 117364, 191906, 198616, 232804, 234728, 273097, 322751, 383812, 465608, 546194, 645502, 767624, 1092388, 1291004, 2184776, 2582008, 3550261, 7100522, 14201044, 28402088]

約数ペア:

[(1, 28402088), (2, 14201044), (4, 7100522), (8, 3550261), (11, 2582008), (13, 2184776), (22, 1291004), (26, 1092388), (37, 767624), (44, 645502), (52, 546194), (61, 465608), (74, 383812), (88, 322751), (104, 273097), (121, 234728), (122, 232804), (143, 198616), (148, 191906), (242, 117364), (244, 116402), (286, 99308), (296, 95953), (407, 69784), (481, 59048), (484, 58682), (488, 58201), (572, 49654), (671, 42328), (793, 35816), (814, 34892), (962, 29524), (968, 29341), (1144, 24827), (1342, 21164), (1573, 18056), (1586, 17908), (1628, 17446), (1924, 14762), (2257, 12584), (2684, 10582), (3146, 9028), (3172, 8954), (3256, 8723), (3848, 7381), (4477, 6344), (4514, 6292), (5291, 5368)]