281810452

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 623963648

約数和(自身を除く): 342153196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 223, 242, 308, 373, 446, 484, 746, 847, 892, 1492, 1561, 1694, 2453, 2611, 3122, 3388, 4103, 4906, 5222, 6244, 8206, 9812, 10444, 16412, 17171, 26983, 28721, 34342, 45133, 53966, 57442, 68684, 83179, 90266, 107932, 114884, 166358, 180532, 188881, 315931, 332716, 377762, 582253, 631862, 755524, 914969, 1164506, 1263724, 1829938, 2329012, 3659876, 6404783, 10064659, 12809566, 20129318, 25619132, 40258636, 70452613, 140905226, 281810452]

約数ペア:

[(1, 281810452), (2, 140905226), (4, 70452613), (7, 40258636), (11, 25619132), (14, 20129318), (22, 12809566), (28, 10064659), (44, 6404783), (77, 3659876), (121, 2329012), (154, 1829938), (223, 1263724), (242, 1164506), (308, 914969), (373, 755524), (446, 631862), (484, 582253), (746, 377762), (847, 332716), (892, 315931), (1492, 188881), (1561, 180532), (1694, 166358), (2453, 114884), (2611, 107932), (3122, 90266), (3388, 83179), (4103, 68684), (4906, 57442), (5222, 53966), (6244, 45133), (8206, 34342), (9812, 28721), (10444, 26983), (16412, 17171)]