261423736

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{887}}^1$

素因数の和:1196

約数の個数: 64

約数和(自身を含む): 592473600

約数和(自身を除く): 331049864

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 277, 532, 554, 887, 1064, 1108, 1774, 1939, 2216, 3548, 3878, 5263, 6209, 7096, 7756, 10526, 12418, 15512, 16853, 21052, 24836, 33706, 36841, 42104, 49672, 67412, 73682, 117971, 134824, 147364, 235942, 245699, 294728, 471884, 491398, 943768, 982796, 1719893, 1965592, 3439786, 4668281, 6879572, 9336562, 13759144, 18673124, 32677967, 37346248, 65355934, 130711868, 261423736]

約数ペア:

[(1, 261423736), (2, 130711868), (4, 65355934), (7, 37346248), (8, 32677967), (14, 18673124), (19, 13759144), (28, 9336562), (38, 6879572), (56, 4668281), (76, 3439786), (133, 1965592), (152, 1719893), (266, 982796), (277, 943768), (532, 491398), (554, 471884), (887, 294728), (1064, 245699), (1108, 235942), (1774, 147364), (1939, 134824), (2216, 117971), (3548, 73682), (3878, 67412), (5263, 49672), (6209, 42104), (7096, 36841), (7756, 33706), (10526, 24836), (12418, 21052), (15512, 16853)]