640578588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{100153}}^1$

素因数の和:100214

約数の個数: 48

約数和(自身を含む): 1648935456

約数和(自身を除く): 1008356868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 246, 492, 533, 1066, 1599, 2132, 3198, 6396, 100153, 200306, 300459, 400612, 600918, 1201836, 1301989, 2603978, 3905967, 4106273, 5207956, 7811934, 8212546, 12318819, 15623868, 16425092, 24637638, 49275276, 53381549, 106763098, 160144647, 213526196, 320289294, 640578588]

約数ペア:

[(1, 640578588), (2, 320289294), (3, 213526196), (4, 160144647), (6, 106763098), (12, 53381549), (13, 49275276), (26, 24637638), (39, 16425092), (41, 15623868), (52, 12318819), (78, 8212546), (82, 7811934), (123, 5207956), (156, 4106273), (164, 3905967), (246, 2603978), (492, 1301989), (533, 1201836), (1066, 600918), (1599, 400612), (2132, 300459), (3198, 200306), (6396, 100153)]