9997643486380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{643}}^1\times {\mathrm{6424973}}^1$

素因数の和:6425647

約数の個数: 72

約数和(自身を含む): 23113098668016

約数和(自身を除く): 13115455181636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 643, 1210, 1286, 2420, 2572, 3215, 6430, 7073, 12860, 14146, 28292, 35365, 70730, 77803, 141460, 155606, 311212, 389015, 778030, 1556060, 6424973, 12849946, 25699892, 32124865, 64249730, 70674703, 128499460, 141349406, 282698812, 353373515, 706747030, 777421733, 1413494060, 1554843466, 3109686932, 3887108665, 4131257639, 7774217330, 8262515278, 15548434660, 16525030556, 20656288195, 41312576390, 45443834029, 82625152780, 90887668058, 181775336116, 227219170145, 454438340290, 499882174319, 908876680580, 999764348638, 1999528697276, 2499410871595, 4998821743190, 9997643486380]

約数ペア:

[(1, 9997643486380), (2, 4998821743190), (4, 2499410871595), (5, 1999528697276), (10, 999764348638), (11, 908876680580), (20, 499882174319), (22, 454438340290), (44, 227219170145), (55, 181775336116), (110, 90887668058), (121, 82625152780), (220, 45443834029), (242, 41312576390), (484, 20656288195), (605, 16525030556), (643, 15548434660), (1210, 8262515278), (1286, 7774217330), (2420, 4131257639), (2572, 3887108665), (3215, 3109686932), (6430, 1554843466), (7073, 1413494060), (12860, 777421733), (14146, 706747030), (28292, 353373515), (35365, 282698812), (70730, 141349406), (77803, 128499460), (141460, 70674703), (155606, 64249730), (311212, 32124865), (389015, 25699892), (778030, 12849946), (1556060, 6424973)]