156772945

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{194749}}^1$

素因数の和:194784

約数の個数: 16

約数和(自身を含む): 224352000

約数和(自身を除く): 67579055

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 194749, 973745, 1363243, 4479227, 6816215, 22396135, 31354589, 156772945]

約数ペア:

[(1, 156772945), (5, 31354589), (7, 22396135), (23, 6816215), (35, 4479227), (115, 1363243), (161, 973745), (805, 194749)]