640775646

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{38237}}^1$

素因数の和:38278

約数の個数: 72

約数和(自身を含む): 1700061480

約数和(自身を除く): 1059285834

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 399, 441, 798, 882, 931, 1197, 1862, 2394, 2793, 5586, 8379, 16758, 38237, 76474, 114711, 229422, 267659, 344133, 535318, 688266, 726503, 802977, 1453006, 1605954, 1873613, 2179509, 2408931, 3747226, 4359018, 4817862, 5085521, 5620839, 6538527, 10171042, 11241678, 13077054, 15256563, 16862517, 30513126, 33725034, 35598647, 45769689, 71197294, 91539378, 106795941, 213591882, 320387823, 640775646]

約数ペア:

[(1, 640775646), (2, 320387823), (3, 213591882), (6, 106795941), (7, 91539378), (9, 71197294), (14, 45769689), (18, 35598647), (19, 33725034), (21, 30513126), (38, 16862517), (42, 15256563), (49, 13077054), (57, 11241678), (63, 10171042), (98, 6538527), (114, 5620839), (126, 5085521), (133, 4817862), (147, 4359018), (171, 3747226), (266, 2408931), (294, 2179509), (342, 1873613), (399, 1605954), (441, 1453006), (798, 802977), (882, 726503), (931, 688266), (1197, 535318), (1862, 344133), (2394, 267659), (2793, 229422), (5586, 114711), (8379, 76474), (16758, 38237)]