663667070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{947}}^1$

素因数の和:1265

約数の個数: 64

約数和(自身を含む): 1366212096

約数和(自身を除く): 702545026

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 277, 506, 554, 947, 1265, 1385, 1894, 2530, 2770, 3047, 4735, 6094, 6371, 9470, 10417, 12742, 15235, 20834, 21781, 30470, 31855, 43562, 52085, 63710, 70081, 104170, 108905, 140162, 217810, 239591, 262319, 350405, 479182, 524638, 700810, 1197955, 1311595, 2395910, 2623190, 2885509, 5771018, 6033337, 12066674, 14427545, 28855090, 30166685, 60333370, 66366707, 132733414, 331833535, 663667070]

約数ペア:

[(1, 663667070), (2, 331833535), (5, 132733414), (10, 66366707), (11, 60333370), (22, 30166685), (23, 28855090), (46, 14427545), (55, 12066674), (110, 6033337), (115, 5771018), (230, 2885509), (253, 2623190), (277, 2395910), (506, 1311595), (554, 1197955), (947, 700810), (1265, 524638), (1385, 479182), (1894, 350405), (2530, 262319), (2770, 239591), (3047, 217810), (4735, 140162), (6094, 108905), (6371, 104170), (9470, 70081), (10417, 63710), (12742, 52085), (15235, 43562), (20834, 31855), (21781, 30470)]