221479438

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 357120000

約数和(自身を除く): 135640562

約数列:

[1, 2, 29, 31, 58, 62, 199, 398, 619, 899, 1238, 1798, 5771, 6169, 11542, 12338, 17951, 19189, 35902, 38378, 123181, 178901, 246362, 357802, 556481, 1112962, 3572249, 3818611, 7144498, 7637222, 110739719, 221479438]

約数ペア:

[(1, 221479438), (2, 110739719), (29, 7637222), (31, 7144498), (58, 3818611), (62, 3572249), (199, 1112962), (398, 556481), (619, 357802), (899, 246362), (1238, 178901), (1798, 123181), (5771, 38378), (6169, 35902), (11542, 19189), (12338, 17951)]