28905422

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 56568960

約数和(自身を除く): 27663538

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 169, 182, 247, 266, 338, 494, 643, 1183, 1286, 1729, 2366, 3211, 3458, 4501, 6422, 8359, 9002, 12217, 16718, 22477, 24434, 44954, 58513, 85519, 108667, 117026, 158821, 171038, 217334, 317642, 760669, 1111747, 1521338, 2064673, 2223494, 4129346, 14452711, 28905422]

約数ペア:

[(1, 28905422), (2, 14452711), (7, 4129346), (13, 2223494), (14, 2064673), (19, 1521338), (26, 1111747), (38, 760669), (91, 317642), (133, 217334), (169, 171038), (182, 158821), (247, 117026), (266, 108667), (338, 85519), (494, 58513), (643, 44954), (1183, 24434), (1286, 22477), (1729, 16718), (2366, 12217), (3211, 9002), (3458, 8359), (4501, 6422)]