28199892

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 77246400

約数和(自身を除く): 49046508

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 199, 241, 294, 398, 482, 588, 597, 723, 796, 964, 1194, 1393, 1446, 1687, 2388, 2786, 2892, 3374, 4179, 5061, 5572, 6748, 8358, 9751, 10122, 11809, 16716, 19502, 20244, 23618, 29253, 35427, 39004, 47236, 47959, 58506, 70854, 95918, 117012, 141708, 143877, 191836, 287754, 335713, 575508, 671426, 1007139, 1342852, 2014278, 2349991, 4028556, 4699982, 7049973, 9399964, 14099946, 28199892]

約数ペア:

[(1, 28199892), (2, 14099946), (3, 9399964), (4, 7049973), (6, 4699982), (7, 4028556), (12, 2349991), (14, 2014278), (21, 1342852), (28, 1007139), (42, 671426), (49, 575508), (84, 335713), (98, 287754), (147, 191836), (196, 143877), (199, 141708), (241, 117012), (294, 95918), (398, 70854), (482, 58506), (588, 47959), (597, 47236), (723, 39004), (796, 35427), (964, 29253), (1194, 23618), (1393, 20244), (1446, 19502), (1687, 16716), (2388, 11809), (2786, 10122), (2892, 9751), (3374, 8358), (4179, 6748), (5061, 5572)]