25971855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 26282865

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 53, 65, 91, 105, 159, 195, 265, 273, 359, 371, 455, 689, 795, 1077, 1113, 1365, 1795, 1855, 2067, 2513, 3445, 4667, 4823, 5385, 5565, 7539, 10335, 12565, 14001, 14469, 19027, 23335, 24115, 32669, 37695, 57081, 70005, 72345, 95135, 98007, 133189, 163345, 247351, 285405, 399567, 490035, 665945, 742053, 1236755, 1731457, 1997835, 3710265, 5194371, 8657285, 25971855]

約数ペア:

[(1, 25971855), (3, 8657285), (5, 5194371), (7, 3710265), (13, 1997835), (15, 1731457), (21, 1236755), (35, 742053), (39, 665945), (53, 490035), (65, 399567), (91, 285405), (105, 247351), (159, 163345), (195, 133189), (265, 98007), (273, 95135), (359, 72345), (371, 70005), (455, 57081), (689, 37695), (795, 32669), (1077, 24115), (1113, 23335), (1365, 19027), (1795, 14469), (1855, 14001), (2067, 12565), (2513, 10335), (3445, 7539), (4667, 5565), (4823, 5385)]