158895275

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 247484160

約数和(自身を除く): 88588885

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 197, 275, 385, 419, 985, 1379, 1925, 2095, 2167, 2933, 4609, 4925, 6895, 10475, 10835, 14665, 15169, 23045, 32263, 34475, 54175, 73325, 75845, 82543, 115225, 161315, 379225, 412715, 577801, 806575, 907973, 2063575, 2889005, 4539865, 6355811, 14445025, 22699325, 31779055, 158895275]

約数ペア:

[(1, 158895275), (5, 31779055), (7, 22699325), (11, 14445025), (25, 6355811), (35, 4539865), (55, 2889005), (77, 2063575), (175, 907973), (197, 806575), (275, 577801), (385, 412715), (419, 379225), (985, 161315), (1379, 115225), (1925, 82543), (2095, 75845), (2167, 73325), (2933, 54175), (4609, 34475), (4925, 32263), (6895, 23045), (10475, 15169), (10835, 14665)]