216412945

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{773}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 313562880

約数和(自身を除く): 97149935

約数列:

[1, 5, 7, 19, 35, 95, 133, 421, 665, 773, 2105, 2947, 3865, 5411, 7999, 14687, 14735, 27055, 39995, 55993, 73435, 102809, 279965, 325433, 514045, 1627165, 2278031, 6183227, 11390155, 30916135, 43282589, 216412945]

約数ペア:

[(1, 216412945), (5, 43282589), (7, 30916135), (19, 11390155), (35, 6183227), (95, 2278031), (133, 1627165), (421, 514045), (665, 325433), (773, 279965), (2105, 102809), (2947, 73435), (3865, 55993), (5411, 39995), (7999, 27055), (14687, 14735)]