28739516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 56217504

約数和(自身を除く): 27477988

約数列:

[1, 2, 4, 13, 26, 52, 67, 73, 113, 134, 146, 226, 268, 292, 452, 871, 949, 1469, 1742, 1898, 2938, 3484, 3796, 4891, 5876, 7571, 8249, 9782, 15142, 16498, 19564, 30284, 32996, 63583, 98423, 107237, 127166, 196846, 214474, 254332, 393692, 428948, 552683, 1105366, 2210732, 7184879, 14369758, 28739516]

約数ペア:

[(1, 28739516), (2, 14369758), (4, 7184879), (13, 2210732), (26, 1105366), (52, 552683), (67, 428948), (73, 393692), (113, 254332), (134, 214474), (146, 196846), (226, 127166), (268, 107237), (292, 98423), (452, 63583), (871, 32996), (949, 30284), (1469, 19564), (1742, 16498), (1898, 15142), (2938, 9782), (3484, 8249), (3796, 7571), (4891, 5876)]