81976384

素因数分解:

$2^6\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4463}}^1$

素因数の和:4523

約数の個数: 56

約数和(自身を含む): 190487808

約数和(自身を除く): 108511424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 164, 224, 287, 328, 448, 574, 656, 1148, 1312, 2296, 2624, 4463, 4592, 8926, 9184, 17852, 18368, 31241, 35704, 62482, 71408, 124964, 142816, 182983, 249928, 285632, 365966, 499856, 731932, 999712, 1280881, 1463864, 1999424, 2561762, 2927728, 5123524, 5855456, 10247048, 11710912, 20494096, 40988192, 81976384]

約数ペア:

[(1, 81976384), (2, 40988192), (4, 20494096), (7, 11710912), (8, 10247048), (14, 5855456), (16, 5123524), (28, 2927728), (32, 2561762), (41, 1999424), (56, 1463864), (64, 1280881), (82, 999712), (112, 731932), (164, 499856), (224, 365966), (287, 285632), (328, 249928), (448, 182983), (574, 142816), (656, 124964), (1148, 71408), (1312, 62482), (2296, 35704), (2624, 31241), (4463, 18368), (4592, 17852), (8926, 9184)]