87777986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 143640000

約数和(自身を除く): 55862014

約数列:

[1, 2, 19, 37, 38, 74, 149, 298, 419, 703, 838, 1406, 2831, 5513, 5662, 7961, 11026, 15503, 15922, 31006, 62431, 104747, 124862, 209494, 294557, 589114, 1186189, 2309947, 2372378, 4619894, 43888993, 87777986]

約数ペア:

[(1, 87777986), (2, 43888993), (19, 4619894), (37, 2372378), (38, 2309947), (74, 1186189), (149, 589114), (298, 294557), (419, 209494), (703, 124862), (838, 104747), (1406, 62431), (2831, 31006), (5513, 15922), (5662, 15503), (7961, 11026)]