71687196

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{40639}}^1$

素因数の和:40663

約数の個数: 54

約数和(自身を含む): 210799680

約数和(自身を除く): 139112484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 40639, 81278, 121917, 162556, 243834, 284473, 365751, 487668, 568946, 731502, 853419, 1137892, 1463004, 1706838, 1991311, 2560257, 3413676, 3982622, 5120514, 5973933, 7965244, 10241028, 11947866, 17921799, 23895732, 35843598, 71687196]

約数ペア:

[(1, 71687196), (2, 35843598), (3, 23895732), (4, 17921799), (6, 11947866), (7, 10241028), (9, 7965244), (12, 5973933), (14, 5120514), (18, 3982622), (21, 3413676), (28, 2560257), (36, 1991311), (42, 1706838), (49, 1463004), (63, 1137892), (84, 853419), (98, 731502), (126, 568946), (147, 487668), (196, 365751), (252, 284473), (294, 243834), (441, 162556), (588, 121917), (882, 81278), (1764, 40639)]