15978872

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 21760648

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 47, 52, 56, 91, 94, 104, 182, 188, 329, 364, 376, 467, 611, 658, 728, 934, 1222, 1316, 1868, 2444, 2632, 3269, 3736, 4277, 4888, 6071, 6538, 8554, 12142, 13076, 17108, 21949, 24284, 26152, 34216, 42497, 43898, 48568, 84994, 87796, 153643, 169988, 175592, 285337, 307286, 339976, 570674, 614572, 1141348, 1229144, 1997359, 2282696, 3994718, 7989436, 15978872]

約数ペア:

[(1, 15978872), (2, 7989436), (4, 3994718), (7, 2282696), (8, 1997359), (13, 1229144), (14, 1141348), (26, 614572), (28, 570674), (47, 339976), (52, 307286), (56, 285337), (91, 175592), (94, 169988), (104, 153643), (182, 87796), (188, 84994), (329, 48568), (364, 43898), (376, 42497), (467, 34216), (611, 26152), (658, 24284), (728, 21949), (934, 17108), (1222, 13076), (1316, 12142), (1868, 8554), (2444, 6538), (2632, 6071), (3269, 4888), (3736, 4277)]