87943858

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 142217856

約数和(自身を除く): 54273998

約数列:

[1, 2, 23, 43, 46, 86, 173, 257, 346, 514, 989, 1978, 3979, 5911, 7439, 7958, 11051, 11822, 14878, 22102, 44461, 88922, 171097, 254173, 342194, 508346, 1022603, 1911823, 2045206, 3823646, 43971929, 87943858]

約数ペア:

[(1, 87943858), (2, 43971929), (23, 3823646), (43, 2045206), (46, 1911823), (86, 1022603), (173, 508346), (257, 342194), (346, 254173), (514, 171097), (989, 88922), (1978, 44461), (3979, 22102), (5911, 14878), (7439, 11822), (7958, 11051)]