291207984860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28097}}^1\times {\mathrm{39863}}^1$

素因数の和:67982

約数の個数: 48

約数和(自身を含む): 658618019136

約数和(自身を除く): 367410034276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 28097, 39863, 56194, 79726, 112388, 140485, 159452, 199315, 280970, 365261, 398630, 518219, 561940, 730522, 797260, 1036438, 1461044, 1826305, 2072876, 2591095, 3652610, 5182190, 7305220, 10364380, 1120030711, 2240061422, 4480122844, 5600153555, 11200307110, 14560399243, 22400614220, 29120798486, 58241596972, 72801996215, 145603992430, 291207984860]

約数ペア:

[(1, 291207984860), (2, 145603992430), (4, 72801996215), (5, 58241596972), (10, 29120798486), (13, 22400614220), (20, 14560399243), (26, 11200307110), (52, 5600153555), (65, 4480122844), (130, 2240061422), (260, 1120030711), (28097, 10364380), (39863, 7305220), (56194, 5182190), (79726, 3652610), (112388, 2591095), (140485, 2072876), (159452, 1826305), (199315, 1461044), (280970, 1036438), (365261, 797260), (398630, 730522), (518219, 561940)]