398403306

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{15731}}^1$

素因数の和:15816

約数の個数: 64

約数和(自身を含む): 1026984960

約数和(自身を除く): 628581654

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 67, 126, 134, 189, 201, 378, 402, 469, 603, 938, 1206, 1407, 1809, 2814, 3618, 4221, 8442, 12663, 15731, 25326, 31462, 47193, 94386, 110117, 141579, 220234, 283158, 330351, 424737, 660702, 849474, 991053, 1053977, 1982106, 2107954, 2973159, 3161931, 5946318, 6323862, 7377839, 9485793, 14755678, 18971586, 22133517, 28457379, 44267034, 56914758, 66400551, 132801102, 199201653, 398403306]

約数ペア:

[(1, 398403306), (2, 199201653), (3, 132801102), (6, 66400551), (7, 56914758), (9, 44267034), (14, 28457379), (18, 22133517), (21, 18971586), (27, 14755678), (42, 9485793), (54, 7377839), (63, 6323862), (67, 5946318), (126, 3161931), (134, 2973159), (189, 2107954), (201, 1982106), (378, 1053977), (402, 991053), (469, 849474), (603, 660702), (938, 424737), (1206, 330351), (1407, 283158), (1809, 220234), (2814, 141579), (3618, 110117), (4221, 94386), (8442, 47193), (12663, 31462), (15731, 25326)]