40018498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 66706416

約数和(自身を除く): 26687918

約数列:

[1, 2, 13, 26, 53, 106, 113, 226, 257, 514, 689, 1378, 1469, 2938, 3341, 5989, 6682, 11978, 13621, 27242, 29041, 58082, 77857, 155714, 177073, 354146, 377533, 755066, 1539173, 3078346, 20009249, 40018498]

約数ペア:

[(1, 40018498), (2, 20009249), (13, 3078346), (26, 1539173), (53, 755066), (106, 377533), (113, 354146), (226, 177073), (257, 155714), (514, 77857), (689, 58082), (1378, 29041), (1469, 27242), (2938, 13621), (3341, 11978), (5989, 6682)]