64991535

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 123325440

約数和(自身を除く): 58333905

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 73, 105, 139, 183, 219, 305, 365, 417, 427, 511, 695, 915, 973, 1095, 1281, 1533, 2085, 2135, 2555, 2919, 4453, 4865, 6405, 7665, 8479, 10147, 13359, 14595, 22265, 25437, 30441, 31171, 42395, 50735, 59353, 66795, 71029, 93513, 127185, 152205, 155855, 178059, 213087, 296765, 355145, 467565, 618967, 890295, 1065435, 1856901, 3094835, 4332769, 9284505, 12998307, 21663845, 64991535]

約数ペア:

[(1, 64991535), (3, 21663845), (5, 12998307), (7, 9284505), (15, 4332769), (21, 3094835), (35, 1856901), (61, 1065435), (73, 890295), (105, 618967), (139, 467565), (183, 355145), (219, 296765), (305, 213087), (365, 178059), (417, 155855), (427, 152205), (511, 127185), (695, 93513), (915, 71029), (973, 66795), (1095, 59353), (1281, 50735), (1533, 42395), (2085, 31171), (2135, 30441), (2555, 25437), (2919, 22265), (4453, 14595), (4865, 13359), (6405, 10147), (7665, 8479)]