2781448

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 5688000

約数和(自身を除く): 2906552

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 631, 1102, 1262, 2204, 2524, 4408, 5048, 11989, 18299, 23978, 36598, 47956, 73196, 95912, 146392, 347681, 695362, 1390724, 2781448]

約数ペア:

[(1, 2781448), (2, 1390724), (4, 695362), (8, 347681), (19, 146392), (29, 95912), (38, 73196), (58, 47956), (76, 36598), (116, 23978), (152, 18299), (232, 11989), (551, 5048), (631, 4408), (1102, 2524), (1262, 2204)]