28803468

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 72755760

約数和(自身を除く): 43952292

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 61, 76, 109, 114, 122, 183, 218, 228, 244, 327, 361, 366, 436, 654, 722, 732, 1083, 1159, 1308, 1444, 2071, 2166, 2318, 3477, 4142, 4332, 4636, 6213, 6649, 6954, 8284, 12426, 13298, 13908, 19947, 22021, 24852, 26596, 39349, 39894, 44042, 66063, 78698, 79788, 88084, 118047, 126331, 132126, 157396, 236094, 252662, 264252, 378993, 472188, 505324, 757986, 1515972, 2400289, 4800578, 7200867, 9601156, 14401734, 28803468]

約数ペア:

[(1, 28803468), (2, 14401734), (3, 9601156), (4, 7200867), (6, 4800578), (12, 2400289), (19, 1515972), (38, 757986), (57, 505324), (61, 472188), (76, 378993), (109, 264252), (114, 252662), (122, 236094), (183, 157396), (218, 132126), (228, 126331), (244, 118047), (327, 88084), (361, 79788), (366, 78698), (436, 66063), (654, 44042), (722, 39894), (732, 39349), (1083, 26596), (1159, 24852), (1308, 22021), (1444, 19947), (2071, 13908), (2166, 13298), (2318, 12426), (3477, 8284), (4142, 6954), (4332, 6649), (4636, 6213)]