618393988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{811}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 1164083200

約数和(自身を除く): 545689212

約数列:

[1, 2, 4, 19, 38, 76, 79, 127, 158, 254, 316, 508, 811, 1501, 1622, 2413, 3002, 3244, 4826, 6004, 9652, 10033, 15409, 20066, 30818, 40132, 61636, 64069, 102997, 128138, 190627, 205994, 256276, 381254, 411988, 762508, 1217311, 1956943, 2434622, 3913886, 4869244, 7827772, 8136763, 16273526, 32547052, 154598497, 309196994, 618393988]

約数ペア:

[(1, 618393988), (2, 309196994), (4, 154598497), (19, 32547052), (38, 16273526), (76, 8136763), (79, 7827772), (127, 4869244), (158, 3913886), (254, 2434622), (316, 1956943), (508, 1217311), (811, 762508), (1501, 411988), (1622, 381254), (2413, 256276), (3002, 205994), (3244, 190627), (4826, 128138), (6004, 102997), (9652, 64069), (10033, 61636), (15409, 40132), (20066, 30818)]