291264272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{569}}^1$

素因数の和:720

約数の個数: 80

約数和(自身を含む): 641208960

約数和(自身を除く): 349944688

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 107, 184, 208, 214, 299, 368, 428, 569, 598, 856, 1138, 1196, 1391, 1712, 2276, 2392, 2461, 2782, 4552, 4784, 4922, 5564, 7397, 9104, 9844, 11128, 13087, 14794, 19688, 22256, 26174, 29588, 31993, 39376, 52348, 59176, 60883, 63986, 104696, 118352, 121766, 127972, 170131, 209392, 243532, 255944, 340262, 487064, 511888, 680524, 791479, 974128, 1361048, 1400309, 1582958, 2722096, 2800618, 3165916, 5601236, 6331832, 11202472, 12663664, 18204017, 22404944, 36408034, 72816068, 145632136, 291264272]

約数ペア:

[(1, 291264272), (2, 145632136), (4, 72816068), (8, 36408034), (13, 22404944), (16, 18204017), (23, 12663664), (26, 11202472), (46, 6331832), (52, 5601236), (92, 3165916), (104, 2800618), (107, 2722096), (184, 1582958), (208, 1400309), (214, 1361048), (299, 974128), (368, 791479), (428, 680524), (569, 511888), (598, 487064), (856, 340262), (1138, 255944), (1196, 243532), (1391, 209392), (1712, 170131), (2276, 127972), (2392, 121766), (2461, 118352), (2782, 104696), (4552, 63986), (4784, 60883), (4922, 59176), (5564, 52348), (7397, 39376), (9104, 31993), (9844, 29588), (11128, 26174), (13087, 22256), (14794, 19688)]