2198223088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1123}}^1$

素因数の和:1334

約数の個数: 80

約数和(自身を含む): 4616133120

約数和(自身を除く): 2417910032

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 137, 152, 188, 274, 304, 376, 548, 752, 893, 1096, 1123, 1786, 2192, 2246, 2603, 3572, 4492, 5206, 6439, 7144, 8984, 10412, 12878, 14288, 17968, 20824, 21337, 25756, 41648, 42674, 51512, 52781, 85348, 103024, 105562, 122341, 153851, 170696, 211124, 244682, 307702, 341392, 422248, 489364, 615404, 844496, 978728, 1002839, 1230808, 1957456, 2005678, 2461616, 2923169, 4011356, 5846338, 7230997, 8022712, 11692676, 14461994, 16045424, 23385352, 28923988, 46770704, 57847976, 115695952, 137388943, 274777886, 549555772, 1099111544, 2198223088]

約数ペア:

[(1, 2198223088), (2, 1099111544), (4, 549555772), (8, 274777886), (16, 137388943), (19, 115695952), (38, 57847976), (47, 46770704), (76, 28923988), (94, 23385352), (137, 16045424), (152, 14461994), (188, 11692676), (274, 8022712), (304, 7230997), (376, 5846338), (548, 4011356), (752, 2923169), (893, 2461616), (1096, 2005678), (1123, 1957456), (1786, 1230808), (2192, 1002839), (2246, 978728), (2603, 844496), (3572, 615404), (4492, 489364), (5206, 422248), (6439, 341392), (7144, 307702), (8984, 244682), (10412, 211124), (12878, 170696), (14288, 153851), (17968, 122341), (20824, 105562), (21337, 103024), (25756, 85348), (41648, 52781), (42674, 51512)]