1388892984

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{887}}^1\times {\mathrm{1231}}^1$

素因数の和:2180

約数の個数: 64

約数和(自身を含む): 3544611840

約数和(自身を除く): 2155718856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 887, 1231, 1272, 1774, 2462, 2661, 3548, 3693, 4924, 5322, 7096, 7386, 9848, 10644, 14772, 21288, 29544, 47011, 65243, 94022, 130486, 141033, 188044, 195729, 260972, 282066, 376088, 391458, 521944, 564132, 782916, 1091897, 1128264, 1565832, 2183794, 3275691, 4367588, 6551382, 8735176, 13102764, 26205528, 57870541, 115741082, 173611623, 231482164, 347223246, 462964328, 694446492, 1388892984]

約数ペア:

[(1, 1388892984), (2, 694446492), (3, 462964328), (4, 347223246), (6, 231482164), (8, 173611623), (12, 115741082), (24, 57870541), (53, 26205528), (106, 13102764), (159, 8735176), (212, 6551382), (318, 4367588), (424, 3275691), (636, 2183794), (887, 1565832), (1231, 1128264), (1272, 1091897), (1774, 782916), (2462, 564132), (2661, 521944), (3548, 391458), (3693, 376088), (4924, 282066), (5322, 260972), (7096, 195729), (7386, 188044), (9848, 141033), (10644, 130486), (14772, 94022), (21288, 65243), (29544, 47011)]