1899690065

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:791

約数の個数: 64

約数和(自身を含む): 2888256000

約数和(自身を除く): 988565935

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 139, 245, 343, 455, 613, 637, 695, 973, 1715, 1807, 3065, 3185, 4291, 4459, 4865, 6811, 7969, 9035, 12649, 21455, 22295, 30037, 34055, 39845, 47677, 55783, 63245, 85207, 88543, 150185, 210259, 238385, 278915, 390481, 426035, 442715, 596449, 619801, 1051295, 1107691, 1952405, 2733367, 2982245, 3099005, 4175143, 5538455, 7753837, 13666835, 20875715, 29226001, 38769185, 54276859, 146130005, 271384295, 379938013, 1899690065]

約数ペア:

[(1, 1899690065), (5, 379938013), (7, 271384295), (13, 146130005), (35, 54276859), (49, 38769185), (65, 29226001), (91, 20875715), (139, 13666835), (245, 7753837), (343, 5538455), (455, 4175143), (613, 3099005), (637, 2982245), (695, 2733367), (973, 1952405), (1715, 1107691), (1807, 1051295), (3065, 619801), (3185, 596449), (4291, 442715), (4459, 426035), (4865, 390481), (6811, 278915), (7969, 238385), (9035, 210259), (12649, 150185), (21455, 88543), (22295, 85207), (30037, 63245), (34055, 55783), (39845, 47677)]