212622905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 288067968

約数和(自身を除く): 75445063

約数列:

[1, 5, 11, 37, 55, 163, 185, 407, 641, 815, 1793, 2035, 3205, 6031, 7051, 8965, 23717, 30155, 35255, 66341, 104483, 118585, 260887, 331705, 522415, 1149313, 1304435, 3865871, 5746565, 19329355, 42524581, 212622905]

約数ペア:

[(1, 212622905), (5, 42524581), (11, 19329355), (37, 5746565), (55, 3865871), (163, 1304435), (185, 1149313), (407, 522415), (641, 331705), (815, 260887), (1793, 118585), (2035, 104483), (3205, 66341), (6031, 35255), (7051, 30155), (8965, 23717)]