15672998890

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1\times {\mathrm{17959}}^1$

素因数の和:18606

約数の個数: 32

約数和(自身を含む): 28420191360

約数和(自身を除く): 12747192470

約数列:

[1, 2, 5, 10, 197, 394, 443, 886, 985, 1970, 2215, 4430, 17959, 35918, 87271, 89795, 174542, 179590, 436355, 872710, 3537923, 7075846, 7955837, 15911674, 17689615, 35379230, 39779185, 79558370, 1567299889, 3134599778, 7836499445, 15672998890]

約数ペア:

[(1, 15672998890), (2, 7836499445), (5, 3134599778), (10, 1567299889), (197, 79558370), (394, 39779185), (443, 35379230), (886, 17689615), (985, 15911674), (1970, 7955837), (2215, 7075846), (4430, 3537923), (17959, 872710), (35918, 436355), (87271, 179590), (89795, 174542)]