77521948

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 166379136

約数和(自身を除く): 88857188

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 62, 67, 86, 124, 134, 172, 217, 268, 301, 434, 469, 602, 868, 938, 961, 1204, 1333, 1876, 1922, 2077, 2666, 2881, 3844, 4154, 5332, 5762, 6727, 8308, 9331, 11524, 13454, 14539, 18662, 20167, 26908, 29078, 37324, 40334, 41323, 58156, 64387, 80668, 82646, 89311, 128774, 165292, 178622, 257548, 289261, 357244, 450709, 578522, 625177, 901418, 1157044, 1250354, 1802836, 2500708, 2768641, 5537282, 11074564, 19380487, 38760974, 77521948]

約数ペア:

[(1, 77521948), (2, 38760974), (4, 19380487), (7, 11074564), (14, 5537282), (28, 2768641), (31, 2500708), (43, 1802836), (62, 1250354), (67, 1157044), (86, 901418), (124, 625177), (134, 578522), (172, 450709), (217, 357244), (268, 289261), (301, 257548), (434, 178622), (469, 165292), (602, 128774), (868, 89311), (938, 82646), (961, 80668), (1204, 64387), (1333, 58156), (1876, 41323), (1922, 40334), (2077, 37324), (2666, 29078), (2881, 26908), (3844, 20167), (4154, 18662), (5332, 14539), (5762, 13454), (6727, 11524), (8308, 9331)]