31808816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 71037120

約数和(自身を除く): 39228304

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 61, 92, 104, 109, 122, 184, 208, 218, 244, 299, 368, 436, 488, 598, 793, 872, 976, 1196, 1403, 1417, 1586, 1744, 2392, 2507, 2806, 2834, 3172, 4784, 5014, 5612, 5668, 6344, 6649, 10028, 11224, 11336, 12688, 13298, 18239, 20056, 22448, 22672, 26596, 32591, 36478, 40112, 53192, 65182, 72956, 86437, 106384, 130364, 145912, 152927, 172874, 260728, 291824, 305854, 345748, 521456, 611708, 691496, 1223416, 1382992, 1988051, 2446832, 3976102, 7952204, 15904408, 31808816]

約数ペア:

[(1, 31808816), (2, 15904408), (4, 7952204), (8, 3976102), (13, 2446832), (16, 1988051), (23, 1382992), (26, 1223416), (46, 691496), (52, 611708), (61, 521456), (92, 345748), (104, 305854), (109, 291824), (122, 260728), (184, 172874), (208, 152927), (218, 145912), (244, 130364), (299, 106384), (368, 86437), (436, 72956), (488, 65182), (598, 53192), (793, 40112), (872, 36478), (976, 32591), (1196, 26596), (1403, 22672), (1417, 22448), (1586, 20056), (1744, 18239), (2392, 13298), (2507, 12688), (2806, 11336), (2834, 11224), (3172, 10028), (4784, 6649), (5014, 6344), (5612, 5668)]