277907812

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3761}}^1$

素因数の和:3821

約数の個数: 72

約数和(自身を含む): 630435960

約数和(自身を除く): 352528148

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 49, 52, 58, 91, 98, 116, 182, 196, 203, 364, 377, 406, 637, 754, 812, 1274, 1421, 1508, 2548, 2639, 2842, 3761, 5278, 5684, 7522, 10556, 15044, 18473, 26327, 36946, 48893, 52654, 73892, 97786, 105308, 109069, 184289, 195572, 218138, 342251, 368578, 436276, 684502, 737156, 763483, 1369004, 1417897, 1526966, 2395757, 2835794, 3053932, 4791514, 5344381, 5671588, 9583028, 9925279, 10688762, 19850558, 21377524, 39701116, 69476953, 138953906, 277907812]

約数ペア:

[(1, 277907812), (2, 138953906), (4, 69476953), (7, 39701116), (13, 21377524), (14, 19850558), (26, 10688762), (28, 9925279), (29, 9583028), (49, 5671588), (52, 5344381), (58, 4791514), (91, 3053932), (98, 2835794), (116, 2395757), (182, 1526966), (196, 1417897), (203, 1369004), (364, 763483), (377, 737156), (406, 684502), (637, 436276), (754, 368578), (812, 342251), (1274, 218138), (1421, 195572), (1508, 184289), (2548, 109069), (2639, 105308), (2842, 97786), (3761, 73892), (5278, 52654), (5684, 48893), (7522, 36946), (10556, 26327), (15044, 18473)]