971881958

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 1636588800

約数和(自身を除く): 664706842

約数列:

[1, 2, 19, 38, 41, 43, 82, 86, 89, 163, 178, 326, 779, 817, 1558, 1634, 1691, 1763, 3097, 3382, 3526, 3649, 3827, 6194, 6683, 7009, 7298, 7654, 13366, 14018, 14507, 29014, 33497, 66994, 69331, 72713, 126977, 133171, 138662, 145426, 156907, 253954, 266342, 275633, 287369, 313814, 551266, 574738, 594787, 623801, 1189574, 1247602, 2981233, 5460011, 5962466, 10920022, 11300953, 11852219, 22601906, 23704438, 25575841, 51151682, 485940979, 971881958]

約数ペア:

[(1, 971881958), (2, 485940979), (19, 51151682), (38, 25575841), (41, 23704438), (43, 22601906), (82, 11852219), (86, 11300953), (89, 10920022), (163, 5962466), (178, 5460011), (326, 2981233), (779, 1247602), (817, 1189574), (1558, 623801), (1634, 594787), (1691, 574738), (1763, 551266), (3097, 313814), (3382, 287369), (3526, 275633), (3649, 266342), (3827, 253954), (6194, 156907), (6683, 145426), (7009, 138662), (7298, 133171), (7654, 126977), (13366, 72713), (14018, 69331), (14507, 66994), (29014, 33497)]