64390430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 133056000

約数和(自身を除く): 68665570

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 131, 190, 199, 247, 262, 398, 494, 655, 995, 1235, 1310, 1703, 1990, 2470, 2489, 2587, 3406, 3781, 4978, 5174, 7562, 8515, 12445, 12935, 17030, 18905, 24890, 25870, 26069, 32357, 37810, 49153, 52138, 64714, 98306, 130345, 161785, 245765, 260690, 323570, 338897, 491530, 495311, 677794, 990622, 1694485, 2476555, 3388970, 4953110, 6439043, 12878086, 32195215, 64390430]

約数ペア:

[(1, 64390430), (2, 32195215), (5, 12878086), (10, 6439043), (13, 4953110), (19, 3388970), (26, 2476555), (38, 1694485), (65, 990622), (95, 677794), (130, 495311), (131, 491530), (190, 338897), (199, 323570), (247, 260690), (262, 245765), (398, 161785), (494, 130345), (655, 98306), (995, 64714), (1235, 52138), (1310, 49153), (1703, 37810), (1990, 32357), (2470, 26069), (2489, 25870), (2587, 24890), (3406, 18905), (3781, 17030), (4978, 12935), (5174, 12445), (7562, 8515)]