390778856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{38737}}^1$

素因数の和:38853

約数の個数: 32

約数和(自身を含む): 797228040

約数和(自身を除く): 406449184

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 388, 776, 1261, 2522, 5044, 10088, 38737, 77474, 154948, 309896, 503581, 1007162, 2014324, 3757489, 4028648, 7514978, 15029956, 30059912, 48847357, 97694714, 195389428, 390778856]

約数ペア:

[(1, 390778856), (2, 195389428), (4, 97694714), (8, 48847357), (13, 30059912), (26, 15029956), (52, 7514978), (97, 4028648), (104, 3757489), (194, 2014324), (388, 1007162), (776, 503581), (1261, 309896), (2522, 154948), (5044, 77474), (10088, 38737)]