28784558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 48612960

約数和(自身を除く): 19828402

約数列:

[1, 2, 11, 22, 61, 89, 122, 178, 241, 482, 671, 979, 1342, 1958, 2651, 5302, 5429, 10858, 14701, 21449, 29402, 42898, 59719, 119438, 161711, 235939, 323422, 471878, 1308389, 2616778, 14392279, 28784558]

約数ペア:

[(1, 28784558), (2, 14392279), (11, 2616778), (22, 1308389), (61, 471878), (89, 323422), (122, 235939), (178, 161711), (241, 119438), (482, 59719), (671, 42898), (979, 29402), (1342, 21449), (1958, 14701), (2651, 10858), (5302, 5429)]