28334436

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 76204800

約数和(自身を除く): 47870364

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 53, 69, 78, 92, 106, 138, 149, 156, 159, 212, 276, 298, 299, 318, 447, 596, 598, 636, 689, 894, 897, 1196, 1219, 1378, 1788, 1794, 1937, 2067, 2438, 2756, 3427, 3588, 3657, 3874, 4134, 4876, 5811, 6854, 7314, 7748, 7897, 8268, 10281, 11622, 13708, 14628, 15794, 15847, 20562, 23244, 23691, 31588, 31694, 41124, 44551, 47382, 47541, 63388, 89102, 94764, 95082, 102661, 133653, 178204, 181631, 190164, 205322, 267306, 307983, 363262, 410644, 534612, 544893, 615966, 726524, 1089786, 1231932, 2179572, 2361203, 4722406, 7083609, 9444812, 14167218, 28334436]

約数ペア:

[(1, 28334436), (2, 14167218), (3, 9444812), (4, 7083609), (6, 4722406), (12, 2361203), (13, 2179572), (23, 1231932), (26, 1089786), (39, 726524), (46, 615966), (52, 544893), (53, 534612), (69, 410644), (78, 363262), (92, 307983), (106, 267306), (138, 205322), (149, 190164), (156, 181631), (159, 178204), (212, 133653), (276, 102661), (298, 95082), (299, 94764), (318, 89102), (447, 63388), (596, 47541), (598, 47382), (636, 44551), (689, 41124), (894, 31694), (897, 31588), (1196, 23691), (1219, 23244), (1378, 20562), (1788, 15847), (1794, 15794), (1937, 14628), (2067, 13708), (2438, 11622), (2756, 10281), (3427, 8268), (3588, 7897), (3657, 7748), (3874, 7314), (4134, 6854), (4876, 5811)]