81103856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{619}}^1$

素因数の和:1077

約数の個数: 40

約数和(自身を含む): 166060800

約数和(自身を除く): 84956944

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 431, 619, 862, 1238, 1724, 2476, 3448, 4952, 6896, 8189, 9904, 11761, 16378, 23522, 32756, 47044, 65512, 94088, 131024, 188176, 266789, 533578, 1067156, 2134312, 4268624, 5068991, 10137982, 20275964, 40551928, 81103856]

約数ペア:

[(1, 81103856), (2, 40551928), (4, 20275964), (8, 10137982), (16, 5068991), (19, 4268624), (38, 2134312), (76, 1067156), (152, 533578), (304, 266789), (431, 188176), (619, 131024), (862, 94088), (1238, 65512), (1724, 47044), (2476, 32756), (3448, 23522), (4952, 16378), (6896, 11761), (8189, 9904)]