215685078

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{479}}^1$

素因数の和:713

約数の個数: 64

約数和(自身を含む): 504299520

約数和(自身を除く): 288614442

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 151, 213, 302, 426, 453, 479, 497, 906, 958, 994, 1057, 1437, 1491, 2114, 2874, 2982, 3171, 3353, 6342, 6706, 10059, 10721, 20118, 21442, 32163, 34009, 64326, 68018, 72329, 75047, 102027, 144658, 150094, 204054, 216987, 225141, 238063, 433974, 450282, 476126, 506303, 714189, 1012606, 1428378, 1518909, 3037818, 5135359, 10270718, 15406077, 30812154, 35947513, 71895026, 107842539, 215685078]

約数ペア:

[(1, 215685078), (2, 107842539), (3, 71895026), (6, 35947513), (7, 30812154), (14, 15406077), (21, 10270718), (42, 5135359), (71, 3037818), (142, 1518909), (151, 1428378), (213, 1012606), (302, 714189), (426, 506303), (453, 476126), (479, 450282), (497, 433974), (906, 238063), (958, 225141), (994, 216987), (1057, 204054), (1437, 150094), (1491, 144658), (2114, 102027), (2874, 75047), (2982, 72329), (3171, 68018), (3353, 64326), (6342, 34009), (6706, 32163), (10059, 21442), (10721, 20118)]