397807746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{133403}}^1$

素因数の和:133486

約数の個数: 32

約数和(自身を含む): 922088448

約数和(自身を除く): 524280702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 133403, 266806, 400209, 800418, 933821, 1867642, 2801463, 5602926, 9471613, 18943226, 28414839, 56829678, 66301291, 132602582, 198903873, 397807746]

約数ペア:

[(1, 397807746), (2, 198903873), (3, 132602582), (6, 66301291), (7, 56829678), (14, 28414839), (21, 18943226), (42, 9471613), (71, 5602926), (142, 2801463), (213, 1867642), (426, 933821), (497, 800418), (994, 400209), (1491, 266806), (2982, 133403)]