16728972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 43226064

約数和(自身を除く): 26497092

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 73, 78, 113, 146, 156, 169, 219, 226, 292, 338, 339, 438, 452, 507, 676, 678, 876, 949, 1014, 1356, 1469, 1898, 2028, 2847, 2938, 3796, 4407, 5694, 5876, 8249, 8814, 11388, 12337, 16498, 17628, 19097, 24674, 24747, 32996, 37011, 38194, 49348, 49494, 57291, 74022, 76388, 98988, 107237, 114582, 148044, 214474, 229164, 321711, 428948, 643422, 1286844, 1394081, 2788162, 4182243, 5576324, 8364486, 16728972]

約数ペア:

[(1, 16728972), (2, 8364486), (3, 5576324), (4, 4182243), (6, 2788162), (12, 1394081), (13, 1286844), (26, 643422), (39, 428948), (52, 321711), (73, 229164), (78, 214474), (113, 148044), (146, 114582), (156, 107237), (169, 98988), (219, 76388), (226, 74022), (292, 57291), (338, 49494), (339, 49348), (438, 38194), (452, 37011), (507, 32996), (676, 24747), (678, 24674), (876, 19097), (949, 17628), (1014, 16498), (1356, 12337), (1469, 11388), (1898, 8814), (2028, 8249), (2847, 5876), (2938, 5694), (3796, 4407)]