2156784

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{131}}^1$

素因数の和:163

約数の個数: 80

約数和(自身を含む): 6547200

約数和(自身を除く): 4390416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 131, 147, 168, 196, 262, 294, 336, 343, 392, 393, 524, 588, 686, 784, 786, 917, 1029, 1048, 1176, 1372, 1572, 1834, 2058, 2096, 2352, 2744, 2751, 3144, 3668, 4116, 5488, 5502, 6288, 6419, 7336, 8232, 11004, 12838, 14672, 16464, 19257, 22008, 25676, 38514, 44016, 44933, 51352, 77028, 89866, 102704, 134799, 154056, 179732, 269598, 308112, 359464, 539196, 718928, 1078392, 2156784]

約数ペア:

[(1, 2156784), (2, 1078392), (3, 718928), (4, 539196), (6, 359464), (7, 308112), (8, 269598), (12, 179732), (14, 154056), (16, 134799), (21, 102704), (24, 89866), (28, 77028), (42, 51352), (48, 44933), (49, 44016), (56, 38514), (84, 25676), (98, 22008), (112, 19257), (131, 16464), (147, 14672), (168, 12838), (196, 11004), (262, 8232), (294, 7336), (336, 6419), (343, 6288), (392, 5502), (393, 5488), (524, 4116), (588, 3668), (686, 3144), (784, 2751), (786, 2744), (917, 2352), (1029, 2096), (1048, 2058), (1176, 1834), (1372, 1572)]