81780636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51241}}^1$

素因数の和:51274

約数の個数: 48

約数和(自身を含む): 229564160

約数和(自身を除く): 147783524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 51241, 102482, 153723, 204964, 307446, 358687, 614892, 717374, 973579, 1076061, 1434748, 1947158, 2152122, 2920737, 3894316, 4304244, 5841474, 6815053, 11682948, 13630106, 20445159, 27260212, 40890318, 81780636]

約数ペア:

[(1, 81780636), (2, 40890318), (3, 27260212), (4, 20445159), (6, 13630106), (7, 11682948), (12, 6815053), (14, 5841474), (19, 4304244), (21, 3894316), (28, 2920737), (38, 2152122), (42, 1947158), (57, 1434748), (76, 1076061), (84, 973579), (114, 717374), (133, 614892), (228, 358687), (266, 307446), (399, 204964), (532, 153723), (798, 102482), (1596, 51241)]