1421403568

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{547}}^1$

素因数の和:643

約数の個数: 90

約数和(自身を含む): 3087042372

約数和(自身を除く): 1665638804

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 338, 403, 496, 547, 676, 806, 961, 1094, 1352, 1612, 1922, 2188, 2704, 3224, 3844, 4376, 5239, 6448, 7111, 7688, 8752, 10478, 12493, 14222, 15376, 16957, 20956, 24986, 28444, 33914, 41912, 49972, 56888, 67828, 83824, 92443, 99944, 113776, 135656, 162409, 184886, 199888, 220441, 271312, 324818, 369772, 440882, 525667, 649636, 739544, 881764, 1051334, 1299272, 1479088, 1763528, 2102668, 2598544, 2865733, 3527056, 4205336, 5731466, 6833671, 8410672, 11462932, 13667342, 22925864, 27334684, 45851728, 54669368, 88837723, 109338736, 177675446, 355350892, 710701784, 1421403568]

約数ペア:

[(1, 1421403568), (2, 710701784), (4, 355350892), (8, 177675446), (13, 109338736), (16, 88837723), (26, 54669368), (31, 45851728), (52, 27334684), (62, 22925864), (104, 13667342), (124, 11462932), (169, 8410672), (208, 6833671), (248, 5731466), (338, 4205336), (403, 3527056), (496, 2865733), (547, 2598544), (676, 2102668), (806, 1763528), (961, 1479088), (1094, 1299272), (1352, 1051334), (1612, 881764), (1922, 739544), (2188, 649636), (2704, 525667), (3224, 440882), (3844, 369772), (4376, 324818), (5239, 271312), (6448, 220441), (7111, 199888), (7688, 184886), (8752, 162409), (10478, 135656), (12493, 113776), (14222, 99944), (15376, 92443), (16957, 83824), (20956, 67828), (24986, 56888), (28444, 49972), (33914, 41912)]