2007788510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{2213}}^1$

素因数の和:3237

約数の個数: 64

約数和(自身を含む): 4454497152

約数和(自身を除く): 2446708642

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 997, 1994, 2213, 4426, 4985, 6979, 9970, 11065, 12961, 13958, 15491, 22130, 25922, 28769, 30982, 34895, 57538, 64805, 69790, 77455, 90727, 129610, 143845, 154910, 181454, 201383, 287690, 402766, 453635, 907270, 1006915, 2013830, 2206361, 4412722, 11031805, 15444527, 22063610, 28682693, 30889054, 57365386, 77222635, 143413465, 154445270, 200778851, 286826930, 401557702, 1003894255, 2007788510]

約数ペア:

[(1, 2007788510), (2, 1003894255), (5, 401557702), (7, 286826930), (10, 200778851), (13, 154445270), (14, 143413465), (26, 77222635), (35, 57365386), (65, 30889054), (70, 28682693), (91, 22063610), (130, 15444527), (182, 11031805), (455, 4412722), (910, 2206361), (997, 2013830), (1994, 1006915), (2213, 907270), (4426, 453635), (4985, 402766), (6979, 287690), (9970, 201383), (11065, 181454), (12961, 154910), (13958, 143845), (15491, 129610), (22130, 90727), (25922, 77455), (28769, 69790), (30982, 64805), (34895, 57538)]