51641538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 115758720

約数和(自身を除く): 64117182

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 89, 129, 173, 178, 258, 267, 346, 519, 534, 559, 1038, 1118, 1157, 1677, 2249, 2314, 3354, 3471, 3827, 4498, 6747, 6942, 7439, 7654, 11481, 13494, 14878, 15397, 22317, 22962, 30794, 44634, 46191, 49751, 92382, 96707, 99502, 149253, 193414, 200161, 290121, 298506, 400322, 580242, 600483, 662071, 1200966, 1324142, 1986213, 3972426, 8606923, 17213846, 25820769, 51641538]

約数ペア:

[(1, 51641538), (2, 25820769), (3, 17213846), (6, 8606923), (13, 3972426), (26, 1986213), (39, 1324142), (43, 1200966), (78, 662071), (86, 600483), (89, 580242), (129, 400322), (173, 298506), (178, 290121), (258, 200161), (267, 193414), (346, 149253), (519, 99502), (534, 96707), (559, 92382), (1038, 49751), (1118, 46191), (1157, 44634), (1677, 30794), (2249, 22962), (2314, 22317), (3354, 15397), (3471, 14878), (3827, 13494), (4498, 11481), (6747, 7654), (6942, 7439)]