17878084

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 40134528

約数和(自身を除く): 22256444

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 71, 92, 119, 142, 161, 238, 284, 322, 391, 476, 497, 529, 644, 782, 994, 1058, 1207, 1564, 1633, 1988, 2116, 2414, 2737, 3266, 3703, 4828, 5474, 6532, 7406, 8449, 8993, 10948, 11431, 14812, 16898, 17986, 22862, 27761, 33796, 35972, 37559, 45724, 55522, 62951, 75118, 111044, 125902, 150236, 194327, 251804, 262913, 388654, 525826, 638503, 777308, 1051652, 1277006, 2554012, 4469521, 8939042, 17878084]

約数ペア:

[(1, 17878084), (2, 8939042), (4, 4469521), (7, 2554012), (14, 1277006), (17, 1051652), (23, 777308), (28, 638503), (34, 525826), (46, 388654), (68, 262913), (71, 251804), (92, 194327), (119, 150236), (142, 125902), (161, 111044), (238, 75118), (284, 62951), (322, 55522), (391, 45724), (476, 37559), (497, 35972), (529, 33796), (644, 27761), (782, 22862), (994, 17986), (1058, 16898), (1207, 14812), (1564, 11431), (1633, 10948), (1988, 8993), (2116, 8449), (2414, 7406), (2737, 6532), (3266, 5474), (3703, 4828)]