257652

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:448

約数の個数: 36

約数和(自身を含む): 691236

約数和(自身を除く): 433584

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 421, 612, 842, 1263, 1684, 2526, 3789, 5052, 7157, 7578, 14314, 15156, 21471, 28628, 42942, 64413, 85884, 128826, 257652]

約数ペア:

[(1, 257652), (2, 128826), (3, 85884), (4, 64413), (6, 42942), (9, 28628), (12, 21471), (17, 15156), (18, 14314), (34, 7578), (36, 7157), (51, 5052), (68, 3789), (102, 2526), (153, 1684), (204, 1263), (306, 842), (421, 612)]