2778889764

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{248737}}^1$

素因数の和:248777

約数の個数: 72

約数和(自身を含む): 7939716960

約数和(自身を除く): 5160827196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2793, 3724, 5586, 11172, 248737, 497474, 746211, 994948, 1492422, 1741159, 2984844, 3482318, 4726003, 5223477, 6964636, 9452006, 10446954, 12188113, 14178009, 18904012, 20893908, 24376226, 28356018, 33082021, 36564339, 48752452, 56712036, 66164042, 73128678, 99246063, 132328084, 146257356, 198492126, 231574147, 396984252, 463148294, 694722441, 926296588, 1389444882, 2778889764]

約数ペア:

[(1, 2778889764), (2, 1389444882), (3, 926296588), (4, 694722441), (6, 463148294), (7, 396984252), (12, 231574147), (14, 198492126), (19, 146257356), (21, 132328084), (28, 99246063), (38, 73128678), (42, 66164042), (49, 56712036), (57, 48752452), (76, 36564339), (84, 33082021), (98, 28356018), (114, 24376226), (133, 20893908), (147, 18904012), (196, 14178009), (228, 12188113), (266, 10446954), (294, 9452006), (399, 6964636), (532, 5223477), (588, 4726003), (798, 3482318), (931, 2984844), (1596, 1741159), (1862, 1492422), (2793, 994948), (3724, 746211), (5586, 497474), (11172, 248737)]