208915356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{3181}}^1$

素因数の和:3622

約数の個数: 48

約数和(自身を含む): 526379168

約数和(自身を除く): 317463812

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 421, 842, 1263, 1684, 2526, 3181, 5052, 5473, 6362, 9543, 10946, 12724, 16419, 19086, 21892, 32838, 38172, 41353, 65676, 82706, 124059, 165412, 248118, 496236, 1339201, 2678402, 4017603, 5356804, 8035206, 16070412, 17409613, 34819226, 52228839, 69638452, 104457678, 208915356]

約数ペア:

[(1, 208915356), (2, 104457678), (3, 69638452), (4, 52228839), (6, 34819226), (12, 17409613), (13, 16070412), (26, 8035206), (39, 5356804), (52, 4017603), (78, 2678402), (156, 1339201), (421, 496236), (842, 248118), (1263, 165412), (1684, 124059), (2526, 82706), (3181, 65676), (5052, 41353), (5473, 38172), (6362, 32838), (9543, 21892), (10946, 19086), (12724, 16419)]