28159768

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:896

約数の個数: 64

約数和(自身を含む): 66447360

約数和(自身を除く): 38287592

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 47, 52, 56, 91, 94, 104, 182, 188, 329, 364, 376, 611, 658, 728, 823, 1222, 1316, 1646, 2444, 2632, 3292, 4277, 4888, 5761, 6584, 8554, 10699, 11522, 17108, 21398, 23044, 34216, 38681, 42796, 46088, 74893, 77362, 85592, 149786, 154724, 270767, 299572, 309448, 502853, 541534, 599144, 1005706, 1083068, 2011412, 2166136, 3519971, 4022824, 7039942, 14079884, 28159768]

約数ペア:

[(1, 28159768), (2, 14079884), (4, 7039942), (7, 4022824), (8, 3519971), (13, 2166136), (14, 2011412), (26, 1083068), (28, 1005706), (47, 599144), (52, 541534), (56, 502853), (91, 309448), (94, 299572), (104, 270767), (182, 154724), (188, 149786), (329, 85592), (364, 77362), (376, 74893), (611, 46088), (658, 42796), (728, 38681), (823, 34216), (1222, 23044), (1316, 21398), (1646, 17108), (2444, 11522), (2632, 10699), (3292, 8554), (4277, 6584), (4888, 5761)]