389923956

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:367

約数の個数: 120

約数和(自身を含む): 1051330280

約数和(自身を除く): 661406324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 109, 122, 162, 181, 183, 218, 244, 324, 327, 362, 366, 436, 543, 549, 654, 724, 732, 981, 1086, 1098, 1308, 1629, 1647, 1962, 2172, 2196, 2943, 3258, 3294, 3924, 4887, 4941, 5886, 6516, 6588, 6649, 8829, 9774, 9882, 11041, 11772, 13298, 14661, 17658, 19548, 19729, 19764, 19947, 22082, 26596, 29322, 33123, 35316, 39458, 39894, 44164, 58644, 59187, 59841, 66246, 78916, 79788, 99369, 118374, 119682, 132492, 177561, 179523, 198738, 236748, 239364, 298107, 355122, 359046, 397476, 532683, 538569, 596214, 710244, 718092, 894321, 1065366, 1077138, 1192428, 1203469, 1598049, 1788642, 2130732, 2154276, 2406938, 3196098, 3577284, 3610407, 4813876, 6392196, 7220814, 10831221, 14441628, 21662442, 32493663, 43324884, 64987326, 97480989, 129974652, 194961978, 389923956]

約数ペア:

[(1, 389923956), (2, 194961978), (3, 129974652), (4, 97480989), (6, 64987326), (9, 43324884), (12, 32493663), (18, 21662442), (27, 14441628), (36, 10831221), (54, 7220814), (61, 6392196), (81, 4813876), (108, 3610407), (109, 3577284), (122, 3196098), (162, 2406938), (181, 2154276), (183, 2130732), (218, 1788642), (244, 1598049), (324, 1203469), (327, 1192428), (362, 1077138), (366, 1065366), (436, 894321), (543, 718092), (549, 710244), (654, 596214), (724, 538569), (732, 532683), (981, 397476), (1086, 359046), (1098, 355122), (1308, 298107), (1629, 239364), (1647, 236748), (1962, 198738), (2172, 179523), (2196, 177561), (2943, 132492), (3258, 119682), (3294, 118374), (3924, 99369), (4887, 79788), (4941, 78916), (5886, 66246), (6516, 59841), (6588, 59187), (6649, 58644), (8829, 44164), (9774, 39894), (9882, 39458), (11041, 35316), (11772, 33123), (13298, 29322), (14661, 26596), (17658, 22082), (19548, 19947), (19729, 19764)]