87881178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{853}}^1$

素因数の和:1099

約数の個数: 64

約数和(自身を含む): 220372992

約数和(自身を除く): 132491814

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 223, 231, 446, 462, 669, 853, 1338, 1561, 1706, 2453, 2559, 3122, 4683, 4906, 5118, 5971, 7359, 9366, 9383, 11942, 14718, 17171, 17913, 18766, 28149, 34342, 35826, 51513, 56298, 65681, 103026, 131362, 190219, 197043, 380438, 394086, 570657, 1141314, 1331533, 2092409, 2663066, 3994599, 4184818, 6277227, 7989198, 12554454, 14646863, 29293726, 43940589, 87881178]

約数ペア:

[(1, 87881178), (2, 43940589), (3, 29293726), (6, 14646863), (7, 12554454), (11, 7989198), (14, 6277227), (21, 4184818), (22, 3994599), (33, 2663066), (42, 2092409), (66, 1331533), (77, 1141314), (154, 570657), (223, 394086), (231, 380438), (446, 197043), (462, 190219), (669, 131362), (853, 103026), (1338, 65681), (1561, 56298), (1706, 51513), (2453, 35826), (2559, 34342), (3122, 28149), (4683, 18766), (4906, 17913), (5118, 17171), (5971, 14718), (7359, 11942), (9366, 9383)]