30987086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 51710400

約数和(自身を除く): 20723314

約数列:

[1, 2, 13, 26, 53, 106, 113, 199, 226, 398, 689, 1378, 1469, 2587, 2938, 5174, 5989, 10547, 11978, 21094, 22487, 44974, 77857, 137111, 155714, 274222, 292331, 584662, 1191811, 2383622, 15493543, 30987086]

約数ペア:

[(1, 30987086), (2, 15493543), (13, 2383622), (26, 1191811), (53, 584662), (106, 292331), (113, 274222), (199, 155714), (226, 137111), (398, 77857), (689, 44974), (1378, 22487), (1469, 21094), (2587, 11978), (2938, 10547), (5174, 5989)]