666528265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 979776000

約数和(自身を除く): 313247735

約数列:

[1, 5, 13, 17, 19, 53, 65, 85, 95, 221, 247, 265, 323, 599, 689, 901, 1007, 1105, 1235, 1615, 2995, 3445, 4199, 4505, 5035, 7787, 10183, 11381, 11713, 13091, 17119, 20995, 31747, 38935, 50915, 56905, 58565, 65455, 85595, 132379, 147953, 158735, 193477, 222547, 412711, 539699, 603193, 661895, 739765, 967385, 1112735, 2063555, 2515201, 2698495, 3015965, 7016087, 7841509, 10254281, 12576005, 35080435, 39207545, 51271405, 133305653, 666528265]

約数ペア:

[(1, 666528265), (5, 133305653), (13, 51271405), (17, 39207545), (19, 35080435), (53, 12576005), (65, 10254281), (85, 7841509), (95, 7016087), (221, 3015965), (247, 2698495), (265, 2515201), (323, 2063555), (599, 1112735), (689, 967385), (901, 739765), (1007, 661895), (1105, 603193), (1235, 539699), (1615, 412711), (2995, 222547), (3445, 193477), (4199, 158735), (4505, 147953), (5035, 132379), (7787, 85595), (10183, 65455), (11381, 58565), (11713, 56905), (13091, 50915), (17119, 38935), (20995, 31747)]