81860122.000000000

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{415901}}^1$

素因数の和:415921

約数の個数: 48

約数和(自身を含む): 838458432

約数和(自身を除く): 558972960

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 415901, 831802, 1247703, 1663604, 2495406, 2911307, 3327208, 4990812, 5822614, 6654416, 8733921, 9981624, 11645228, 13308832, 17467842, 19963248, 23290456, 34935684, 39926496, 46580912, 69871368, 93161824, 139742736, 279485472]

約数ペア:

[(1, 279485472), (2, 139742736), (3, 93161824), (4, 69871368), (6, 46580912), (7, 39926496), (8, 34935684), (12, 23290456), (14, 19963248), (16, 17467842), (21, 13308832), (24, 11645228), (28, 9981624), (32, 8733921), (42, 6654416), (48, 5822614), (56, 4990812), (84, 3327208), (96, 2911307), (112, 2495406), (168, 1663604), (224, 1247703), (336, 831802), (672, 415901)]