81318952

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2293}}^1$

素因数の和:2354

約数の個数: 64

約数和(自身を含む): 184988160

約数和(自身を除く): 103669208

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 248, 286, 341, 403, 572, 682, 806, 1144, 1364, 1612, 2293, 2728, 3224, 4433, 4586, 8866, 9172, 17732, 18344, 25223, 29809, 35464, 50446, 59618, 71083, 100892, 119236, 142166, 201784, 238472, 284332, 327899, 568664, 655798, 781913, 924079, 1311596, 1563826, 1848158, 2623192, 3127652, 3696316, 6255304, 7392632, 10164869, 20329738, 40659476, 81318952]

約数ペア:

[(1, 81318952), (2, 40659476), (4, 20329738), (8, 10164869), (11, 7392632), (13, 6255304), (22, 3696316), (26, 3127652), (31, 2623192), (44, 1848158), (52, 1563826), (62, 1311596), (88, 924079), (104, 781913), (124, 655798), (143, 568664), (248, 327899), (286, 284332), (341, 238472), (403, 201784), (572, 142166), (682, 119236), (806, 100892), (1144, 71083), (1364, 59618), (1612, 50446), (2293, 35464), (2728, 29809), (3224, 25223), (4433, 18344), (4586, 17732), (8866, 9172)]