221357444

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{5659}}^1$

素因数の和:5808

約数の個数: 48

約数和(自身を含む): 486850560

約数和(自身を除く): 265493116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 127, 154, 254, 308, 508, 889, 1397, 1778, 2794, 3556, 5588, 5659, 9779, 11318, 19558, 22636, 39116, 39613, 62249, 79226, 124498, 158452, 248996, 435743, 718693, 871486, 1437386, 1742972, 2874772, 5030851, 7905623, 10061702, 15811246, 20123404, 31622492, 55339361, 110678722, 221357444]

約数ペア:

[(1, 221357444), (2, 110678722), (4, 55339361), (7, 31622492), (11, 20123404), (14, 15811246), (22, 10061702), (28, 7905623), (44, 5030851), (77, 2874772), (127, 1742972), (154, 1437386), (254, 871486), (308, 718693), (508, 435743), (889, 248996), (1397, 158452), (1778, 124498), (2794, 79226), (3556, 62249), (5588, 39613), (5659, 39116), (9779, 22636), (11318, 19558)]