499782530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{19319}}^1$

素因数の和:19538

約数の個数: 32

約数和(自身を含む): 973728000

約数和(自身を除く): 473945470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 5174, 12935, 19319, 25870, 38638, 96595, 193190, 251147, 502294, 1255735, 2511470, 3844481, 7688962, 19222405, 38444810, 49978253, 99956506, 249891265, 499782530]

約数ペア:

[(1, 499782530), (2, 249891265), (5, 99956506), (10, 49978253), (13, 38444810), (26, 19222405), (65, 7688962), (130, 3844481), (199, 2511470), (398, 1255735), (995, 502294), (1990, 251147), (2587, 193190), (5174, 96595), (12935, 38638), (19319, 25870)]