81579806

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 164160000

約数和(自身を除く): 82580194

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 133, 154, 209, 266, 343, 418, 539, 569, 686, 931, 1078, 1138, 1463, 1862, 2926, 3773, 3983, 6259, 6517, 7546, 7966, 10241, 10811, 12518, 13034, 20482, 21622, 27881, 43813, 55762, 71687, 75677, 87626, 118921, 143374, 151354, 195167, 237842, 306691, 390334, 529739, 613382, 832447, 1059478, 1664894, 2146837, 3708173, 4293674, 5827129, 7416346, 11654258, 40789903, 81579806]

約数ペア:

[(1, 81579806), (2, 40789903), (7, 11654258), (11, 7416346), (14, 5827129), (19, 4293674), (22, 3708173), (38, 2146837), (49, 1664894), (77, 1059478), (98, 832447), (133, 613382), (154, 529739), (209, 390334), (266, 306691), (343, 237842), (418, 195167), (539, 151354), (569, 143374), (686, 118921), (931, 87626), (1078, 75677), (1138, 71687), (1463, 55762), (1862, 43813), (2926, 27881), (3773, 21622), (3983, 20482), (6259, 13034), (6517, 12518), (7546, 10811), (7966, 10241)]