2172388988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:936

約数の個数: 96

約数和(自身を含む): 4852141056

約数和(自身を除く): 2679752068

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 121, 142, 154, 242, 284, 308, 484, 497, 781, 821, 847, 994, 1331, 1562, 1642, 1694, 1988, 2662, 3124, 3284, 3388, 5324, 5467, 5747, 8591, 9031, 9317, 10934, 11494, 17182, 18062, 18634, 21868, 22988, 34364, 36124, 37268, 58291, 60137, 63217, 94501, 99341, 116582, 120274, 126434, 189002, 198682, 233164, 240548, 252868, 378004, 397364, 408037, 641201, 661507, 695387, 816074, 1092751, 1282402, 1323014, 1390774, 1632148, 2185502, 2564804, 2646028, 2781548, 4371004, 4488407, 7053211, 7649257, 8976814, 14106422, 15298514, 17953628, 28212844, 30597028, 49372477, 77585321, 98744954, 155170642, 197489908, 310341284, 543097247, 1086194494, 2172388988]

約数ペア:

[(1, 2172388988), (2, 1086194494), (4, 543097247), (7, 310341284), (11, 197489908), (14, 155170642), (22, 98744954), (28, 77585321), (44, 49372477), (71, 30597028), (77, 28212844), (121, 17953628), (142, 15298514), (154, 14106422), (242, 8976814), (284, 7649257), (308, 7053211), (484, 4488407), (497, 4371004), (781, 2781548), (821, 2646028), (847, 2564804), (994, 2185502), (1331, 1632148), (1562, 1390774), (1642, 1323014), (1694, 1282402), (1988, 1092751), (2662, 816074), (3124, 695387), (3284, 661507), (3388, 641201), (5324, 408037), (5467, 397364), (5747, 378004), (8591, 252868), (9031, 240548), (9317, 233164), (10934, 198682), (11494, 189002), (17182, 126434), (18062, 120274), (18634, 116582), (21868, 99341), (22988, 94501), (34364, 63217), (36124, 60137), (37268, 58291)]