81876732

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{347}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 223176576

約数和(自身を除く): 141299844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 347, 371, 636, 694, 742, 1041, 1113, 1388, 1484, 2082, 2226, 2429, 2809, 4164, 4452, 4858, 5618, 7287, 8427, 9716, 11236, 14574, 16854, 18391, 19663, 29148, 33708, 36782, 39326, 55173, 58989, 73564, 78652, 110346, 117978, 128737, 220692, 235956, 257474, 386211, 514948, 772422, 974723, 1544844, 1949446, 2924169, 3898892, 5848338, 6823061, 11696676, 13646122, 20469183, 27292244, 40938366, 81876732]

約数ペア:

[(1, 81876732), (2, 40938366), (3, 27292244), (4, 20469183), (6, 13646122), (7, 11696676), (12, 6823061), (14, 5848338), (21, 3898892), (28, 2924169), (42, 1949446), (53, 1544844), (84, 974723), (106, 772422), (159, 514948), (212, 386211), (318, 257474), (347, 235956), (371, 220692), (636, 128737), (694, 117978), (742, 110346), (1041, 78652), (1113, 73564), (1388, 58989), (1484, 55173), (2082, 39326), (2226, 36782), (2429, 33708), (2809, 29148), (4164, 19663), (4452, 18391), (4858, 16854), (5618, 14574), (7287, 11236), (8427, 9716)]