72988721281

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{509}}^1\times {\mathrm{971}}^1$

素因数の和:1594

約数の個数: 48

約数和(自身を含む): 90094135680

約数和(自身を除く): 17105414399

約数列:

[1, 7, 17, 73, 119, 289, 509, 511, 971, 1241, 2023, 3563, 6797, 8653, 8687, 16507, 21097, 37157, 60571, 70883, 115549, 147101, 147679, 260099, 280619, 494239, 496181, 631669, 1029707, 1205011, 1964333, 3459673, 4421683, 8402063, 8435077, 10738373, 20485187, 36079447, 58814441, 75168611, 142835071, 143396309, 252556129, 613350599, 999845497, 4293454193, 10426960183, 72988721281]

約数ペア:

[(1, 72988721281), (7, 10426960183), (17, 4293454193), (73, 999845497), (119, 613350599), (289, 252556129), (509, 143396309), (511, 142835071), (971, 75168611), (1241, 58814441), (2023, 36079447), (3563, 20485187), (6797, 10738373), (8653, 8435077), (8687, 8402063), (16507, 4421683), (21097, 3459673), (37157, 1964333), (60571, 1205011), (70883, 1029707), (115549, 631669), (147101, 496181), (147679, 494239), (260099, 280619)]