4007978495

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{4793}}^1$

素因数の和:4979

約数の個数: 32

約数和(自身を含む): 5108486400

約数和(自身を除く): 1100507905

約数列:

[1, 5, 29, 73, 79, 145, 365, 395, 2117, 2291, 4793, 5767, 10585, 11455, 23965, 28835, 138997, 167243, 349889, 378647, 694985, 836215, 1749445, 1893235, 10146781, 10980763, 27641231, 50733905, 54903815, 138206155, 801595699, 4007978495]

約数ペア:

[(1, 4007978495), (5, 801595699), (29, 138206155), (73, 54903815), (79, 50733905), (145, 27641231), (365, 10980763), (395, 10146781), (2117, 1893235), (2291, 1749445), (4793, 836215), (5767, 694985), (10585, 378647), (11455, 349889), (23965, 167243), (28835, 138997)]