1638702910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{293149}}^1$

素因数の和:293212

約数の個数: 32

約数和(自身を含む): 3250447200

約数和(自身を除く): 1611744290

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 293149, 586298, 1465745, 2931490, 3810937, 7621874, 12605407, 19054685, 25210814, 38109370, 63027035, 126054070, 163870291, 327740582, 819351455, 1638702910]

約数ペア:

[(1, 1638702910), (2, 819351455), (5, 327740582), (10, 163870291), (13, 126054070), (26, 63027035), (43, 38109370), (65, 25210814), (86, 19054685), (130, 12605407), (215, 7621874), (430, 3810937), (559, 2931490), (1118, 1465745), (2795, 586298), (5590, 293149)]