28220664

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 73866240

約数和(自身を除く): 45645576

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 83, 93, 124, 166, 186, 248, 249, 332, 372, 457, 498, 664, 744, 914, 996, 1371, 1828, 1992, 2573, 2742, 3656, 5146, 5484, 7719, 10292, 10968, 14167, 15438, 20584, 28334, 30876, 37931, 42501, 56668, 61752, 75862, 85002, 113336, 113793, 151724, 170004, 227586, 303448, 340008, 455172, 910344, 1175861, 2351722, 3527583, 4703444, 7055166, 9406888, 14110332, 28220664]

約数ペア:

[(1, 28220664), (2, 14110332), (3, 9406888), (4, 7055166), (6, 4703444), (8, 3527583), (12, 2351722), (24, 1175861), (31, 910344), (62, 455172), (83, 340008), (93, 303448), (124, 227586), (166, 170004), (186, 151724), (248, 113793), (249, 113336), (332, 85002), (372, 75862), (457, 61752), (498, 56668), (664, 42501), (744, 37931), (914, 30876), (996, 28334), (1371, 20584), (1828, 15438), (1992, 14167), (2573, 10968), (2742, 10292), (3656, 7719), (5146, 5484)]