197471183

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 251682816

約数和(自身を除く): 54211633

約数列:

[1, 7, 13, 37, 91, 223, 259, 263, 481, 1561, 1841, 2899, 3367, 3419, 8251, 9731, 20293, 23933, 57757, 58649, 68117, 107263, 126503, 410543, 750841, 762437, 885521, 2170013, 5337059, 15190091, 28210169, 197471183]

約数ペア:

[(1, 197471183), (7, 28210169), (13, 15190091), (37, 5337059), (91, 2170013), (223, 885521), (259, 762437), (263, 750841), (481, 410543), (1561, 126503), (1841, 107263), (2899, 68117), (3367, 58649), (3419, 57757), (8251, 23933), (9731, 20293)]