491585718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1511}}^1$

素因数の和:1669

約数の個数: 64

約数和(自身を含む): 1095316992

約数和(自身を除く): 603731274

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 97, 129, 194, 258, 291, 559, 582, 1118, 1261, 1511, 1677, 2522, 3022, 3354, 3783, 4171, 4533, 7566, 8342, 9066, 12513, 19643, 25026, 39286, 54223, 58929, 64973, 108446, 117858, 129946, 146567, 162669, 194919, 293134, 325338, 389838, 439701, 844649, 879402, 1689298, 1905371, 2533947, 3810742, 5067894, 5716113, 6302381, 11432226, 12604762, 18907143, 37814286, 81930953, 163861906, 245792859, 491585718]

約数ペア:

[(1, 491585718), (2, 245792859), (3, 163861906), (6, 81930953), (13, 37814286), (26, 18907143), (39, 12604762), (43, 11432226), (78, 6302381), (86, 5716113), (97, 5067894), (129, 3810742), (194, 2533947), (258, 1905371), (291, 1689298), (559, 879402), (582, 844649), (1118, 439701), (1261, 389838), (1511, 325338), (1677, 293134), (2522, 194919), (3022, 162669), (3354, 146567), (3783, 129946), (4171, 117858), (4533, 108446), (7566, 64973), (8342, 58929), (9066, 54223), (12513, 39286), (19643, 25026)]