639202328

素因数分解:

$2^3\times {\mathrm{151}}^1\times {\mathrm{199}}^1\times {\mathrm{2659}}^1$

素因数の和:3015

約数の個数: 32

約数和(自身を含む): 1212960000

約数和(自身を除く): 573757672

約数列:

[1, 2, 4, 8, 151, 199, 302, 398, 604, 796, 1208, 1592, 2659, 5318, 10636, 21272, 30049, 60098, 120196, 240392, 401509, 529141, 803018, 1058282, 1606036, 2116564, 3212072, 4233128, 79900291, 159800582, 319601164, 639202328]

約数ペア:

[(1, 639202328), (2, 319601164), (4, 159800582), (8, 79900291), (151, 4233128), (199, 3212072), (302, 2116564), (398, 1606036), (604, 1058282), (796, 803018), (1208, 529141), (1592, 401509), (2659, 240392), (5318, 120196), (10636, 60098), (21272, 30049)]