1313425456

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{353}}^1$

素因数の和:746

約数の個数: 80

約数和(自身を含む): 2949811200

約数和(自身を除く): 1636385744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 239, 278, 353, 478, 556, 706, 956, 973, 1112, 1412, 1673, 1912, 1946, 2224, 2471, 2824, 3346, 3824, 3892, 4942, 5648, 6692, 7784, 9884, 13384, 15568, 19768, 26768, 33221, 39536, 49067, 66442, 84367, 98134, 132884, 168734, 196268, 232547, 265768, 337468, 343469, 392536, 465094, 531536, 590569, 674936, 686938, 785072, 930188, 1181138, 1349872, 1373876, 1860376, 2362276, 2747752, 3720752, 4724552, 5495504, 9449104, 11727013, 23454026, 46908052, 82089091, 93816104, 164178182, 187632208, 328356364, 656712728, 1313425456]

約数ペア:

[(1, 1313425456), (2, 656712728), (4, 328356364), (7, 187632208), (8, 164178182), (14, 93816104), (16, 82089091), (28, 46908052), (56, 23454026), (112, 11727013), (139, 9449104), (239, 5495504), (278, 4724552), (353, 3720752), (478, 2747752), (556, 2362276), (706, 1860376), (956, 1373876), (973, 1349872), (1112, 1181138), (1412, 930188), (1673, 785072), (1912, 686938), (1946, 674936), (2224, 590569), (2471, 531536), (2824, 465094), (3346, 392536), (3824, 343469), (3892, 337468), (4942, 265768), (5648, 232547), (6692, 196268), (7784, 168734), (9884, 132884), (13384, 98134), (15568, 84367), (19768, 66442), (26768, 49067), (33221, 39536)]