87981256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2557}}^1$

素因数の和:2614

約数の個数: 64

約数和(自身を含む): 198910080

約数和(自身を除く): 110928824

約数列:

[1, 2, 4, 8, 11, 17, 22, 23, 34, 44, 46, 68, 88, 92, 136, 184, 187, 253, 374, 391, 506, 748, 782, 1012, 1496, 1564, 2024, 2557, 3128, 4301, 5114, 8602, 10228, 17204, 20456, 28127, 34408, 43469, 56254, 58811, 86938, 112508, 117622, 173876, 225016, 235244, 347752, 470488, 478159, 646921, 956318, 999787, 1293842, 1912636, 1999574, 2587684, 3825272, 3999148, 5175368, 7998296, 10997657, 21995314, 43990628, 87981256]

約数ペア:

[(1, 87981256), (2, 43990628), (4, 21995314), (8, 10997657), (11, 7998296), (17, 5175368), (22, 3999148), (23, 3825272), (34, 2587684), (44, 1999574), (46, 1912636), (68, 1293842), (88, 999787), (92, 956318), (136, 646921), (184, 478159), (187, 470488), (253, 347752), (374, 235244), (391, 225016), (506, 173876), (748, 117622), (782, 112508), (1012, 86938), (1496, 58811), (1564, 56254), (2024, 43469), (2557, 34408), (3128, 28127), (4301, 20456), (5114, 17204), (8602, 10228)]