81938484

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 214556160

約数和(自身を除く): 132617676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 79, 94, 141, 158, 188, 237, 282, 316, 423, 474, 564, 613, 711, 846, 948, 1226, 1422, 1692, 1839, 2452, 2844, 3678, 3713, 5517, 7356, 7426, 11034, 11139, 14852, 22068, 22278, 28811, 33417, 44556, 48427, 57622, 66834, 86433, 96854, 115244, 133668, 145281, 172866, 193708, 259299, 290562, 345732, 435843, 518598, 581124, 871686, 1037196, 1743372, 2276069, 4552138, 6828207, 9104276, 13656414, 20484621, 27312828, 40969242, 81938484]

約数ペア:

[(1, 81938484), (2, 40969242), (3, 27312828), (4, 20484621), (6, 13656414), (9, 9104276), (12, 6828207), (18, 4552138), (36, 2276069), (47, 1743372), (79, 1037196), (94, 871686), (141, 581124), (158, 518598), (188, 435843), (237, 345732), (282, 290562), (316, 259299), (423, 193708), (474, 172866), (564, 145281), (613, 133668), (711, 115244), (846, 96854), (948, 86433), (1226, 66834), (1422, 57622), (1692, 48427), (1839, 44556), (2452, 33417), (2844, 28811), (3678, 22278), (3713, 22068), (5517, 14852), (7356, 11139), (7426, 11034)]