17784844

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 40391568

約数和(自身を除く): 22606724

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 73, 77, 98, 113, 146, 154, 196, 226, 292, 308, 452, 511, 539, 791, 803, 1022, 1078, 1243, 1582, 1606, 2044, 2156, 2486, 3164, 3212, 3577, 4972, 5537, 5621, 7154, 8249, 8701, 11074, 11242, 14308, 16498, 17402, 22148, 22484, 32996, 34804, 39347, 57743, 60907, 78694, 90739, 115486, 121814, 157388, 181478, 230972, 243628, 362956, 404201, 635173, 808402, 1270346, 1616804, 2540692, 4446211, 8892422, 17784844]

約数ペア:

[(1, 17784844), (2, 8892422), (4, 4446211), (7, 2540692), (11, 1616804), (14, 1270346), (22, 808402), (28, 635173), (44, 404201), (49, 362956), (73, 243628), (77, 230972), (98, 181478), (113, 157388), (146, 121814), (154, 115486), (196, 90739), (226, 78694), (292, 60907), (308, 57743), (452, 39347), (511, 34804), (539, 32996), (791, 22484), (803, 22148), (1022, 17402), (1078, 16498), (1243, 14308), (1582, 11242), (1606, 11074), (2044, 8701), (2156, 8249), (2486, 7154), (3164, 5621), (3212, 5537), (3577, 4972)]