25147811

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 31026240

約数和(自身を除く): 5878429

約数列:

[1, 13, 17, 19, 53, 113, 221, 247, 323, 689, 901, 1007, 1469, 1921, 2147, 4199, 5989, 11713, 13091, 17119, 24973, 27911, 36499, 77857, 101813, 113791, 222547, 474487, 1323569, 1479283, 1934447, 25147811]

約数ペア:

[(1, 25147811), (13, 1934447), (17, 1479283), (19, 1323569), (53, 474487), (113, 222547), (221, 113791), (247, 101813), (323, 77857), (689, 36499), (901, 27911), (1007, 24973), (1469, 17119), (1921, 13091), (2147, 11713), (4199, 5989)]