81665808

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6569}}^1$

素因数の和:6624

約数の個数: 80

約数和(自身を含む): 247662720

約数和(自身を除く): 165996912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 148, 168, 222, 259, 296, 336, 444, 518, 592, 777, 888, 1036, 1554, 1776, 2072, 3108, 4144, 6216, 6569, 12432, 13138, 19707, 26276, 39414, 45983, 52552, 78828, 91966, 105104, 137949, 157656, 183932, 243053, 275898, 315312, 367864, 486106, 551796, 729159, 735728, 972212, 1103592, 1458318, 1701371, 1944424, 2207184, 2916636, 3402742, 3888848, 5104113, 5833272, 6805484, 10208226, 11666544, 13610968, 20416452, 27221936, 40832904, 81665808]

約数ペア:

[(1, 81665808), (2, 40832904), (3, 27221936), (4, 20416452), (6, 13610968), (7, 11666544), (8, 10208226), (12, 6805484), (14, 5833272), (16, 5104113), (21, 3888848), (24, 3402742), (28, 2916636), (37, 2207184), (42, 1944424), (48, 1701371), (56, 1458318), (74, 1103592), (84, 972212), (111, 735728), (112, 729159), (148, 551796), (168, 486106), (222, 367864), (259, 315312), (296, 275898), (336, 243053), (444, 183932), (518, 157656), (592, 137949), (777, 105104), (888, 91966), (1036, 78828), (1554, 52552), (1776, 45983), (2072, 39414), (3108, 26276), (4144, 19707), (6216, 13138), (6569, 12432)]