215840432

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{1559}}^1$

素因数の和:2093

約数の個数: 40

約数和(自身を含む): 443944800

約数和(自身を除く): 228104368

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 509, 1018, 1559, 2036, 3118, 4072, 6236, 8144, 8653, 12472, 17306, 24944, 26503, 34612, 53006, 69224, 106012, 138448, 212024, 424048, 793531, 1587062, 3174124, 6348248, 12696496, 13490027, 26980054, 53960108, 107920216, 215840432]

約数ペア:

[(1, 215840432), (2, 107920216), (4, 53960108), (8, 26980054), (16, 13490027), (17, 12696496), (34, 6348248), (68, 3174124), (136, 1587062), (272, 793531), (509, 424048), (1018, 212024), (1559, 138448), (2036, 106012), (3118, 69224), (4072, 53006), (6236, 34612), (8144, 26503), (8653, 24944), (12472, 17306)]