71351308

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1889}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 152409600

約数和(自身を除く): 81058292

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 133, 142, 266, 284, 497, 532, 994, 1349, 1889, 1988, 2698, 3778, 5396, 7556, 9443, 13223, 18886, 26446, 35891, 37772, 52892, 71782, 134119, 143564, 251237, 268238, 502474, 536476, 938833, 1004948, 1877666, 2548261, 3755332, 5096522, 10193044, 17837827, 35675654, 71351308]

約数ペア:

[(1, 71351308), (2, 35675654), (4, 17837827), (7, 10193044), (14, 5096522), (19, 3755332), (28, 2548261), (38, 1877666), (71, 1004948), (76, 938833), (133, 536476), (142, 502474), (266, 268238), (284, 251237), (497, 143564), (532, 134119), (994, 71782), (1349, 52892), (1889, 37772), (1988, 35891), (2698, 26446), (3778, 18886), (5396, 13223), (7556, 9443)]