987785996860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{961087}}^1$

素因数の和:961235

約数の個数: 96

約数和(自身を含む): 2305688555520

約数和(自身を除く): 1317902558660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 67, 118, 130, 134, 236, 260, 268, 295, 335, 590, 670, 767, 871, 1180, 1340, 1534, 1742, 3068, 3484, 3835, 3953, 4355, 7670, 7906, 8710, 15340, 15812, 17420, 19765, 39530, 51389, 79060, 102778, 205556, 256945, 513890, 961087, 1027780, 1922174, 3844348, 4805435, 9610870, 12494131, 19221740, 24988262, 49976524, 56704133, 62470655, 64392829, 113408266, 124941310, 128785658, 226816532, 249882620, 257571316, 283520665, 321964145, 567041330, 643928290, 737153729, 837106777, 1134082660, 1287856580, 1474307458, 1674213554, 2948614916, 3348427108, 3685768645, 3799176911, 4185533885, 7371537290, 7598353822, 8371067770, 14743074580, 15196707644, 16742135540, 18995884555, 37991769110, 49389299843, 75983538220, 98778599686, 197557199372, 246946499215, 493892998430, 987785996860]

約数ペア:

[(1, 987785996860), (2, 493892998430), (4, 246946499215), (5, 197557199372), (10, 98778599686), (13, 75983538220), (20, 49389299843), (26, 37991769110), (52, 18995884555), (59, 16742135540), (65, 15196707644), (67, 14743074580), (118, 8371067770), (130, 7598353822), (134, 7371537290), (236, 4185533885), (260, 3799176911), (268, 3685768645), (295, 3348427108), (335, 2948614916), (590, 1674213554), (670, 1474307458), (767, 1287856580), (871, 1134082660), (1180, 837106777), (1340, 737153729), (1534, 643928290), (1742, 567041330), (3068, 321964145), (3484, 283520665), (3835, 257571316), (3953, 249882620), (4355, 226816532), (7670, 128785658), (7906, 124941310), (8710, 113408266), (15340, 64392829), (15812, 62470655), (17420, 56704133), (19765, 49976524), (39530, 24988262), (51389, 19221740), (79060, 12494131), (102778, 9610870), (205556, 4805435), (256945, 3844348), (513890, 1922174), (961087, 1027780)]