1638961492

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^2\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 3389674176

約数和(自身を除く): 1750712684

約数列:

[1, 2, 4, 7, 14, 28, 79, 83, 113, 158, 166, 226, 316, 332, 452, 553, 581, 791, 1106, 1162, 1582, 2212, 2324, 3164, 6241, 6557, 8927, 9379, 12482, 13114, 17854, 18758, 24964, 26228, 35708, 37516, 43687, 45899, 62489, 65653, 87374, 91798, 124978, 131306, 174748, 183596, 249956, 262612, 518003, 705233, 740941, 1036006, 1410466, 1481882, 2072012, 2820932, 2963764, 3626021, 4936631, 5186587, 7252042, 9873262, 10373174, 14504084, 19746524, 20746348, 58534339, 117068678, 234137356, 409740373, 819480746, 1638961492]

約数ペア:

[(1, 1638961492), (2, 819480746), (4, 409740373), (7, 234137356), (14, 117068678), (28, 58534339), (79, 20746348), (83, 19746524), (113, 14504084), (158, 10373174), (166, 9873262), (226, 7252042), (316, 5186587), (332, 4936631), (452, 3626021), (553, 2963764), (581, 2820932), (791, 2072012), (1106, 1481882), (1162, 1410466), (1582, 1036006), (2212, 740941), (2324, 705233), (3164, 518003), (6241, 262612), (6557, 249956), (8927, 183596), (9379, 174748), (12482, 131306), (13114, 124978), (17854, 91798), (18758, 87374), (24964, 65653), (26228, 62489), (35708, 45899), (37516, 43687)]