1868545497

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{881}}^1$

素因数の和:1378

約数の個数: 64

約数和(自身を含む): 3257501184

約数和(自身を除く): 1388955687

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 457, 663, 881, 1371, 1547, 2643, 3199, 4641, 5941, 6167, 7769, 9597, 11453, 14977, 17823, 18501, 23307, 34359, 41587, 44931, 54383, 80171, 100997, 104839, 124761, 163149, 194701, 240513, 302991, 314517, 402617, 584103, 706979, 1207851, 1362907, 2120937, 2818319, 4088721, 5234021, 6844489, 8454957, 15702063, 20533467, 36638147, 47911423, 88978357, 109914441, 143734269, 266935071, 622848499, 1868545497]

約数ペア:

[(1, 1868545497), (3, 622848499), (7, 266935071), (13, 143734269), (17, 109914441), (21, 88978357), (39, 47911423), (51, 36638147), (91, 20533467), (119, 15702063), (221, 8454957), (273, 6844489), (357, 5234021), (457, 4088721), (663, 2818319), (881, 2120937), (1371, 1362907), (1547, 1207851), (2643, 706979), (3199, 584103), (4641, 402617), (5941, 314517), (6167, 302991), (7769, 240513), (9597, 194701), (11453, 163149), (14977, 124761), (17823, 104839), (18501, 100997), (23307, 80171), (34359, 54383), (41587, 44931)]