28227388

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 60148480

約数和(自身を除く): 31921092

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 97, 133, 194, 266, 388, 532, 547, 679, 1094, 1358, 1843, 2188, 2716, 3686, 3829, 7372, 7658, 10393, 12901, 15316, 20786, 25802, 41572, 51604, 53059, 72751, 106118, 145502, 212236, 291004, 371413, 742826, 1008121, 1485652, 2016242, 4032484, 7056847, 14113694, 28227388]

約数ペア:

[(1, 28227388), (2, 14113694), (4, 7056847), (7, 4032484), (14, 2016242), (19, 1485652), (28, 1008121), (38, 742826), (76, 371413), (97, 291004), (133, 212236), (194, 145502), (266, 106118), (388, 72751), (532, 53059), (547, 51604), (679, 41572), (1094, 25802), (1358, 20786), (1843, 15316), (2188, 12901), (2716, 10393), (3686, 7658), (3829, 7372)]