213966844

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 468948480

約数和(自身を除く): 254981636

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 103, 169, 182, 206, 338, 364, 412, 439, 676, 721, 878, 1183, 1339, 1442, 1756, 2366, 2678, 2884, 3073, 4732, 5356, 5707, 6146, 9373, 11414, 12292, 17407, 18746, 22828, 34814, 37492, 39949, 45217, 69628, 74191, 79898, 90434, 121849, 148382, 159796, 180868, 243698, 296764, 316519, 487396, 519337, 587821, 633038, 1038674, 1175642, 1266076, 2077348, 2351284, 4114747, 7641673, 8229494, 15283346, 16458988, 30566692, 53491711, 106983422, 213966844]

約数ペア:

[(1, 213966844), (2, 106983422), (4, 53491711), (7, 30566692), (13, 16458988), (14, 15283346), (26, 8229494), (28, 7641673), (52, 4114747), (91, 2351284), (103, 2077348), (169, 1266076), (182, 1175642), (206, 1038674), (338, 633038), (364, 587821), (412, 519337), (439, 487396), (676, 316519), (721, 296764), (878, 243698), (1183, 180868), (1339, 159796), (1442, 148382), (1756, 121849), (2366, 90434), (2678, 79898), (2884, 74191), (3073, 69628), (4732, 45217), (5356, 39949), (5707, 37492), (6146, 34814), (9373, 22828), (11414, 18746), (12292, 17407)]