205545002

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1619}}^1$

素因数の和:1910

約数の個数: 32

約数和(自身を含む): 351086400

約数和(自身を除く): 145541398

約数列:

[1, 2, 13, 19, 26, 38, 247, 257, 494, 514, 1619, 3238, 3341, 4883, 6682, 9766, 21047, 30761, 42094, 61522, 63479, 126958, 399893, 416083, 799786, 832166, 5409079, 7905577, 10818158, 15811154, 102772501, 205545002]

約数ペア:

[(1, 205545002), (2, 102772501), (13, 15811154), (19, 10818158), (26, 7905577), (38, 5409079), (247, 832166), (257, 799786), (494, 416083), (514, 399893), (1619, 126958), (3238, 63479), (3341, 61522), (4883, 42094), (6682, 30761), (9766, 21047)]