64218992

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{138403}}^1$

素因数の和:138440

約数の個数: 20

約数和(自身を含む): 128715720

約数和(自身を除く): 64496728

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 138403, 276806, 553612, 1107224, 2214448, 4013687, 8027374, 16054748, 32109496, 64218992]

約数ペア:

[(1, 64218992), (2, 32109496), (4, 16054748), (8, 8027374), (16, 4013687), (29, 2214448), (58, 1107224), (116, 553612), (232, 276806), (464, 138403)]