287465556

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:570

約数の個数: 96

約数和(自身を含む): 788300800

約数和(自身を除く): 500835244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 211, 294, 331, 343, 422, 588, 633, 662, 686, 844, 993, 1029, 1266, 1324, 1372, 1477, 1986, 2058, 2317, 2532, 2954, 3972, 4116, 4431, 4634, 5908, 6951, 8862, 9268, 10339, 13902, 16219, 17724, 20678, 27804, 31017, 32438, 41356, 48657, 62034, 64876, 69841, 72373, 97314, 113533, 124068, 139682, 144746, 194628, 209523, 217119, 227066, 279364, 289492, 340599, 419046, 434238, 454132, 488887, 681198, 838092, 868476, 977774, 1362396, 1466661, 1955548, 2933322, 3422209, 5866644, 6844418, 10266627, 13688836, 20533254, 23955463, 41066508, 47910926, 71866389, 95821852, 143732778, 287465556]

約数ペア:

[(1, 287465556), (2, 143732778), (3, 95821852), (4, 71866389), (6, 47910926), (7, 41066508), (12, 23955463), (14, 20533254), (21, 13688836), (28, 10266627), (42, 6844418), (49, 5866644), (84, 3422209), (98, 2933322), (147, 1955548), (196, 1466661), (211, 1362396), (294, 977774), (331, 868476), (343, 838092), (422, 681198), (588, 488887), (633, 454132), (662, 434238), (686, 419046), (844, 340599), (993, 289492), (1029, 279364), (1266, 227066), (1324, 217119), (1372, 209523), (1477, 194628), (1986, 144746), (2058, 139682), (2317, 124068), (2532, 113533), (2954, 97314), (3972, 72373), (4116, 69841), (4431, 64876), (4634, 62034), (5908, 48657), (6951, 41356), (8862, 32438), (9268, 31017), (10339, 27804), (13902, 20678), (16219, 17724)]