399375994

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{331}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 632499840

約数和(自身を除く): 233123846

約数列:

[1, 2, 29, 58, 71, 142, 293, 331, 586, 662, 2059, 4118, 8497, 9599, 16994, 19198, 20803, 23501, 41606, 47002, 96983, 193966, 603287, 681529, 1206574, 1363058, 2812507, 5625014, 6885793, 13771586, 199687997, 399375994]

約数ペア:

[(1, 399375994), (2, 199687997), (29, 13771586), (58, 6885793), (71, 5625014), (142, 2812507), (293, 1363058), (331, 1206574), (586, 681529), (662, 603287), (2059, 193966), (4118, 96983), (8497, 47002), (9599, 41606), (16994, 23501), (19198, 20803)]