1644001918

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{137}}^1\times {\mathrm{2731}}^1$

素因数の和:2909

約数の個数: 32

約数和(自身を含む): 2691894240

約数和(自身を除く): 1047892322

約数列:

[1, 2, 13, 26, 137, 169, 274, 338, 1781, 2197, 2731, 3562, 4394, 5462, 23153, 35503, 46306, 71006, 300989, 374147, 461539, 601978, 748294, 923078, 4863911, 6000007, 9727822, 12000014, 63230843, 126461686, 822000959, 1644001918]

約数ペア:

[(1, 1644001918), (2, 822000959), (13, 126461686), (26, 63230843), (137, 12000014), (169, 9727822), (274, 6000007), (338, 4863911), (1781, 923078), (2197, 748294), (2731, 601978), (3562, 461539), (4394, 374147), (5462, 300989), (23153, 71006), (35503, 46306)]