40481644

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2909}}^1$

素因数の和:2998

約数の個数: 36

約数和(自身を含む): 83598480

約数和(自身を除く): 43116836

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1988, 2909, 3479, 5818, 6958, 11636, 13916, 20363, 40726, 81452, 142541, 206539, 285082, 413078, 570164, 826156, 1445773, 2891546, 5783092, 10120411, 20240822, 40481644]

約数ペア:

[(1, 40481644), (2, 20240822), (4, 10120411), (7, 5783092), (14, 2891546), (28, 1445773), (49, 826156), (71, 570164), (98, 413078), (142, 285082), (196, 206539), (284, 142541), (497, 81452), (994, 40726), (1988, 20363), (2909, 13916), (3479, 11636), (5818, 6958)]