313625552

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{1493}}^1$

素因数の和:2211

約数の個数: 40

約数和(自身を含む): 640985760

約数和(自身を除く): 327360208

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 691, 1382, 1493, 2764, 2986, 5528, 5972, 11056, 11944, 13129, 23888, 26258, 28367, 52516, 56734, 105032, 113468, 210064, 226936, 453872, 1031663, 2063326, 4126652, 8253304, 16506608, 19601597, 39203194, 78406388, 156812776, 313625552]

約数ペア:

[(1, 313625552), (2, 156812776), (4, 78406388), (8, 39203194), (16, 19601597), (19, 16506608), (38, 8253304), (76, 4126652), (152, 2063326), (304, 1031663), (691, 453872), (1382, 226936), (1493, 210064), (2764, 113468), (2986, 105032), (5528, 56734), (5972, 52516), (11056, 28367), (11944, 26258), (13129, 23888)]