251699812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1237}}^1$

素因数の和:1317

約数の個数: 72

約数和(自身を含む): 558229056

約数和(自身を除く): 306529244

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 169, 172, 182, 301, 338, 364, 559, 602, 676, 1118, 1183, 1204, 1237, 2236, 2366, 2474, 3913, 4732, 4948, 7267, 7826, 8659, 14534, 15652, 16081, 17318, 29068, 32162, 34636, 50869, 53191, 64324, 101738, 106382, 112567, 203476, 209053, 212764, 225134, 372337, 418106, 450268, 691483, 744674, 836212, 1382966, 1463371, 1489348, 2765932, 2926742, 4840381, 5853484, 8989279, 9680762, 17978558, 19361524, 35957116, 62924953, 125849906, 251699812]

約数ペア:

[(1, 251699812), (2, 125849906), (4, 62924953), (7, 35957116), (13, 19361524), (14, 17978558), (26, 9680762), (28, 8989279), (43, 5853484), (52, 4840381), (86, 2926742), (91, 2765932), (169, 1489348), (172, 1463371), (182, 1382966), (301, 836212), (338, 744674), (364, 691483), (559, 450268), (602, 418106), (676, 372337), (1118, 225134), (1183, 212764), (1204, 209053), (1237, 203476), (2236, 112567), (2366, 106382), (2474, 101738), (3913, 64324), (4732, 53191), (4948, 50869), (7267, 34636), (7826, 32162), (8659, 29068), (14534, 17318), (15652, 16081)]