201385457

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 254284800

約数和(自身を除く): 52899343

約数列:

[1, 7, 13, 79, 91, 109, 257, 553, 763, 1027, 1417, 1799, 3341, 7189, 8611, 9919, 20303, 23387, 28013, 60277, 111943, 142121, 196091, 263939, 364169, 783601, 1847573, 2213027, 2549183, 15491189, 28769351, 201385457]

約数ペア:

[(1, 201385457), (7, 28769351), (13, 15491189), (79, 2549183), (91, 2213027), (109, 1847573), (257, 783601), (553, 364169), (763, 263939), (1027, 196091), (1417, 142121), (1799, 111943), (3341, 60277), (7189, 28013), (8611, 23387), (9919, 20303)]