278182996

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2539}}^1$

素因数の和:2613

約数の個数: 72

約数和(自身を含む): 624291360

約数和(自身を除く): 346108364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 49, 52, 86, 91, 98, 172, 182, 196, 301, 364, 559, 602, 637, 1118, 1204, 1274, 2107, 2236, 2539, 2548, 3913, 4214, 5078, 7826, 8428, 10156, 15652, 17773, 27391, 33007, 35546, 54782, 66014, 71092, 109177, 109564, 124411, 132028, 218354, 231049, 248822, 436708, 462098, 497644, 764239, 924196, 1419301, 1528478, 1617343, 2838602, 3056956, 3234686, 5349673, 5677204, 6469372, 9935107, 10699346, 19870214, 21398692, 39740428, 69545749, 139091498, 278182996]

約数ペア:

[(1, 278182996), (2, 139091498), (4, 69545749), (7, 39740428), (13, 21398692), (14, 19870214), (26, 10699346), (28, 9935107), (43, 6469372), (49, 5677204), (52, 5349673), (86, 3234686), (91, 3056956), (98, 2838602), (172, 1617343), (182, 1528478), (196, 1419301), (301, 924196), (364, 764239), (559, 497644), (602, 462098), (637, 436708), (1118, 248822), (1204, 231049), (1274, 218354), (2107, 132028), (2236, 124411), (2539, 109564), (2548, 109177), (3913, 71092), (4214, 66014), (5078, 54782), (7826, 35546), (8428, 33007), (10156, 27391), (15652, 17773)]