81865234

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 153280512

約数和(自身を除く): 71415278

約数列:

[1, 2, 11, 17, 22, 23, 31, 34, 46, 62, 187, 253, 307, 341, 374, 391, 506, 527, 614, 682, 713, 782, 1054, 1426, 3377, 4301, 5219, 5797, 6754, 7061, 7843, 8602, 9517, 10438, 11594, 12121, 14122, 15686, 19034, 24242, 57409, 77671, 104687, 114818, 120037, 133331, 155342, 161789, 209374, 218891, 240074, 266662, 323578, 437782, 1320407, 1779679, 2407801, 2640814, 3559358, 3721147, 4815602, 7442294, 40932617, 81865234]

約数ペア:

[(1, 81865234), (2, 40932617), (11, 7442294), (17, 4815602), (22, 3721147), (23, 3559358), (31, 2640814), (34, 2407801), (46, 1779679), (62, 1320407), (187, 437782), (253, 323578), (307, 266662), (341, 240074), (374, 218891), (391, 209374), (506, 161789), (527, 155342), (614, 133331), (682, 120037), (713, 114818), (782, 104687), (1054, 77671), (1426, 57409), (3377, 24242), (4301, 19034), (5219, 15686), (5797, 14122), (6754, 12121), (7061, 11594), (7843, 10438), (8602, 9517)]