1286640146

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1\times {\mathrm{1949}}^1$

素因数の和:2810

約数の個数: 32

約数和(自身を含む): 2166091200

約数和(自身を除く): 879451054

約数列:

[1, 2, 11, 22, 37, 74, 407, 811, 814, 1622, 1949, 3898, 8921, 17842, 21439, 30007, 42878, 60014, 72113, 144226, 330077, 660154, 793243, 1580639, 1586486, 3161278, 17387029, 34774058, 58483643, 116967286, 643320073, 1286640146]

約数ペア:

[(1, 1286640146), (2, 643320073), (11, 116967286), (22, 58483643), (37, 34774058), (74, 17387029), (407, 3161278), (811, 1586486), (814, 1580639), (1622, 793243), (1949, 660154), (3898, 330077), (8921, 144226), (17842, 72113), (21439, 60014), (30007, 42878)]