15489964

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 32288256

約数和(自身を除く): 16798292

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 103, 131, 164, 206, 262, 287, 412, 524, 574, 721, 917, 1148, 1442, 1834, 2884, 3668, 4223, 5371, 8446, 10742, 13493, 16892, 21484, 26986, 29561, 37597, 53972, 59122, 75194, 94451, 118244, 150388, 188902, 377804, 553213, 1106426, 2212852, 3872491, 7744982, 15489964]

約数ペア:

[(1, 15489964), (2, 7744982), (4, 3872491), (7, 2212852), (14, 1106426), (28, 553213), (41, 377804), (82, 188902), (103, 150388), (131, 118244), (164, 94451), (206, 75194), (262, 59122), (287, 53972), (412, 37597), (524, 29561), (574, 26986), (721, 21484), (917, 16892), (1148, 13493), (1442, 10742), (1834, 8446), (2884, 5371), (3668, 4223)]