16401921326

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1\times {\mathrm{571}}^1$

素因数の和:1257

約数の個数: 64

約数和(自身を含む): 29405376000

約数和(自身を除く): 13003454674

約数列:

[1, 2, 7, 14, 29, 58, 139, 203, 278, 406, 509, 571, 973, 1018, 1142, 1946, 3563, 3997, 4031, 7126, 7994, 8062, 14761, 16559, 28217, 29522, 33118, 56434, 70751, 79369, 103327, 115913, 141502, 158738, 206654, 231826, 290639, 495257, 555583, 581278, 990514, 1111166, 2034473, 2051779, 2301701, 4068946, 4103558, 4603402, 8428531, 14362453, 16111907, 16857062, 28724906, 32223814, 40398821, 58999717, 80797642, 117999434, 282791747, 565583494, 1171565809, 2343131618, 8200960663, 16401921326]

約数ペア:

[(1, 16401921326), (2, 8200960663), (7, 2343131618), (14, 1171565809), (29, 565583494), (58, 282791747), (139, 117999434), (203, 80797642), (278, 58999717), (406, 40398821), (509, 32223814), (571, 28724906), (973, 16857062), (1018, 16111907), (1142, 14362453), (1946, 8428531), (3563, 4603402), (3997, 4103558), (4031, 4068946), (7126, 2301701), (7994, 2051779), (8062, 2034473), (14761, 1111166), (16559, 990514), (28217, 581278), (29522, 555583), (33118, 495257), (56434, 290639), (70751, 231826), (79369, 206654), (103327, 158738), (115913, 141502)]