642313528052

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{563}}^1\times {\mathrm{73681}}^1$

素因数の和:74341

約数の個数: 72

約数和(自身を含む): 1326488204160

約数和(自身を除く): 684174676108

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 563, 1106, 1126, 2212, 2252, 3871, 3941, 7742, 7882, 15484, 15764, 27587, 44477, 55174, 73681, 88954, 110348, 147362, 177908, 294724, 311339, 515767, 622678, 1031534, 1245356, 2063068, 2179373, 3610369, 4358746, 5820799, 7220738, 8717492, 11641598, 14441476, 23283196, 40745593, 41482403, 81491186, 82964806, 162982372, 165929612, 285219151, 290376821, 570438302, 580753642, 1140876604, 1161507284, 2032637747, 3277109837, 4065275494, 6554219674, 8130550988, 13108439348, 22939768859, 45879537718, 91759075436, 160578382013, 321156764026, 642313528052]

約数ペア:

[(1, 642313528052), (2, 321156764026), (4, 160578382013), (7, 91759075436), (14, 45879537718), (28, 22939768859), (49, 13108439348), (79, 8130550988), (98, 6554219674), (158, 4065275494), (196, 3277109837), (316, 2032637747), (553, 1161507284), (563, 1140876604), (1106, 580753642), (1126, 570438302), (2212, 290376821), (2252, 285219151), (3871, 165929612), (3941, 162982372), (7742, 82964806), (7882, 81491186), (15484, 41482403), (15764, 40745593), (27587, 23283196), (44477, 14441476), (55174, 11641598), (73681, 8717492), (88954, 7220738), (110348, 5820799), (147362, 4358746), (177908, 3610369), (294724, 2179373), (311339, 2063068), (515767, 1245356), (622678, 1031534)]