399309092

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{57737}}^1$

素因数の和:57780

約数の個数: 48

約数和(自身を含む): 905331840

約数和(自身を除く): 506022748

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 57737, 115474, 230948, 404159, 750581, 808318, 1097003, 1501162, 1616636, 2194006, 3002324, 4388012, 5254067, 7679021, 10508134, 14261039, 15358042, 21016268, 28522078, 30716084, 57044156, 99827273, 199654546, 399309092]

約数ペア:

[(1, 399309092), (2, 199654546), (4, 99827273), (7, 57044156), (13, 30716084), (14, 28522078), (19, 21016268), (26, 15358042), (28, 14261039), (38, 10508134), (52, 7679021), (76, 5254067), (91, 4388012), (133, 3002324), (182, 2194006), (247, 1616636), (266, 1501162), (364, 1097003), (494, 808318), (532, 750581), (988, 404159), (1729, 230948), (3458, 115474), (6916, 57737)]