81775772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2237}}^1$

素因数の和:2310

約数の個数: 48

約数和(自身を含む): 166686240

約数和(自身を除く): 84910468

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 52, 74, 76, 148, 247, 481, 494, 703, 962, 988, 1406, 1924, 2237, 2812, 4474, 8948, 9139, 18278, 29081, 36556, 42503, 58162, 82769, 85006, 116324, 165538, 170012, 331076, 552539, 1075997, 1105078, 1572611, 2151994, 2210156, 3145222, 4303988, 6290444, 20443943, 40887886, 81775772]

約数ペア:

[(1, 81775772), (2, 40887886), (4, 20443943), (13, 6290444), (19, 4303988), (26, 3145222), (37, 2210156), (38, 2151994), (52, 1572611), (74, 1105078), (76, 1075997), (148, 552539), (247, 331076), (481, 170012), (494, 165538), (703, 116324), (962, 85006), (988, 82769), (1406, 58162), (1924, 42503), (2237, 36556), (2812, 29081), (4474, 18278), (8948, 9139)]