278399519984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{1596767}}^1$

素因数の和:1597433

約数の個数: 40

約数和(自身を含む): 572019781248

約数和(自身を除く): 293620261264

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 641, 1282, 2564, 5128, 10256, 10897, 21794, 43588, 87176, 174352, 1596767, 3193534, 6387068, 12774136, 25548272, 27145039, 54290078, 108580156, 217160312, 434320624, 1023527647, 2047055294, 4094110588, 8188221176, 16376442352, 17399969999, 34799939998, 69599879996, 139199759992, 278399519984]

約数ペア:

[(1, 278399519984), (2, 139199759992), (4, 69599879996), (8, 34799939998), (16, 17399969999), (17, 16376442352), (34, 8188221176), (68, 4094110588), (136, 2047055294), (272, 1023527647), (641, 434320624), (1282, 217160312), (2564, 108580156), (5128, 54290078), (10256, 27145039), (10897, 25548272), (21794, 12774136), (43588, 6387068), (87176, 3193534), (174352, 1596767)]