661066516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{3469}}^1$

素因数の和:3616

約数の個数: 48

約数和(自身を含む): 1301166720

約数和(自身を除く): 640100204

約数列:

[1, 2, 4, 11, 22, 44, 61, 71, 122, 142, 244, 284, 671, 781, 1342, 1562, 2684, 3124, 3469, 4331, 6938, 8662, 13876, 17324, 38159, 47641, 76318, 95282, 152636, 190564, 211609, 246299, 423218, 492598, 846436, 985196, 2327699, 2709289, 4655398, 5418578, 9310796, 10837156, 15024239, 30048478, 60096956, 165266629, 330533258, 661066516]

約数ペア:

[(1, 661066516), (2, 330533258), (4, 165266629), (11, 60096956), (22, 30048478), (44, 15024239), (61, 10837156), (71, 9310796), (122, 5418578), (142, 4655398), (244, 2709289), (284, 2327699), (671, 985196), (781, 846436), (1342, 492598), (1562, 423218), (2684, 246299), (3124, 211609), (3469, 190564), (4331, 152636), (6938, 95282), (8662, 76318), (13876, 47641), (17324, 38159)]