25811716

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 53932032

約数和(自身を除く): 28120316

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 131, 217, 227, 262, 434, 454, 524, 868, 908, 917, 1589, 1834, 3178, 3668, 4061, 6356, 7037, 8122, 14074, 16244, 28148, 28427, 29737, 49259, 56854, 59474, 98518, 113708, 118948, 197036, 208159, 416318, 832636, 921847, 1843694, 3687388, 6452929, 12905858, 25811716]

約数ペア:

[(1, 25811716), (2, 12905858), (4, 6452929), (7, 3687388), (14, 1843694), (28, 921847), (31, 832636), (62, 416318), (124, 208159), (131, 197036), (217, 118948), (227, 113708), (262, 98518), (434, 59474), (454, 56854), (524, 49259), (868, 29737), (908, 28427), (917, 28148), (1589, 16244), (1834, 14074), (3178, 8122), (3668, 7037), (4061, 6356)]