278329836

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{1489}}^1$

素因数の和:1954

約数の個数: 48

約数和(自身を含む): 669021920

約数和(自身を除く): 390692084

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 421, 444, 842, 1263, 1489, 1684, 2526, 2978, 4467, 5052, 5956, 8934, 15577, 17868, 31154, 46731, 55093, 62308, 93462, 110186, 165279, 186924, 220372, 330558, 626869, 661116, 1253738, 1880607, 2507476, 3761214, 7522428, 23194153, 46388306, 69582459, 92776612, 139164918, 278329836]

約数ペア:

[(1, 278329836), (2, 139164918), (3, 92776612), (4, 69582459), (6, 46388306), (12, 23194153), (37, 7522428), (74, 3761214), (111, 2507476), (148, 1880607), (222, 1253738), (421, 661116), (444, 626869), (842, 330558), (1263, 220372), (1489, 186924), (1684, 165279), (2526, 110186), (2978, 93462), (4467, 62308), (5052, 55093), (5956, 46731), (8934, 31154), (15577, 17868)]