215401466

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 374343552

約数和(自身を除く): 158942086

約数列:

[1, 2, 7, 14, 131, 257, 262, 457, 514, 914, 917, 1799, 1834, 3199, 3598, 6398, 33667, 59867, 67334, 117449, 119734, 234898, 235669, 419069, 471338, 822143, 838138, 1644286, 15385819, 30771638, 107700733, 215401466]

約数ペア:

[(1, 215401466), (2, 107700733), (7, 30771638), (14, 15385819), (131, 1644286), (257, 838138), (262, 822143), (457, 471338), (514, 419069), (914, 235669), (917, 234898), (1799, 119734), (1834, 117449), (3199, 67334), (3598, 59867), (6398, 33667)]