81101356

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2543}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 174375936

約数和(自身を除く): 93274580

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 67, 68, 119, 134, 238, 268, 469, 476, 938, 1139, 1876, 2278, 2543, 4556, 5086, 7973, 10172, 15946, 17801, 31892, 35602, 43231, 71204, 86462, 170381, 172924, 302617, 340762, 605234, 681524, 1192667, 1210468, 2385334, 2896477, 4770668, 5792954, 11585908, 20275339, 40550678, 81101356]

約数ペア:

[(1, 81101356), (2, 40550678), (4, 20275339), (7, 11585908), (14, 5792954), (17, 4770668), (28, 2896477), (34, 2385334), (67, 1210468), (68, 1192667), (119, 681524), (134, 605234), (238, 340762), (268, 302617), (469, 172924), (476, 170381), (938, 86462), (1139, 71204), (1876, 43231), (2278, 35602), (2543, 31892), (4556, 17801), (5086, 15946), (7973, 10172)]