279978972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{256391}}^1$

素因数の和:256418

約数の個数: 48

約数和(自身を含む): 804045312

約数和(自身を除く): 524066340

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 256391, 512782, 769173, 1025564, 1538346, 1794737, 3076692, 3333083, 3589474, 5384211, 6666166, 7178948, 9999249, 10768422, 13332332, 19998498, 21536844, 23331581, 39996996, 46663162, 69994743, 93326324, 139989486, 279978972]

約数ペア:

[(1, 279978972), (2, 139989486), (3, 93326324), (4, 69994743), (6, 46663162), (7, 39996996), (12, 23331581), (13, 21536844), (14, 19998498), (21, 13332332), (26, 10768422), (28, 9999249), (39, 7178948), (42, 6666166), (52, 5384211), (78, 3589474), (84, 3333083), (91, 3076692), (156, 1794737), (182, 1538346), (273, 1025564), (364, 769173), (546, 512782), (1092, 256391)]