217507836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{487}}^1$

素因数の和:923

約数の個数: 96

約数和(自身を含む): 627450880

約数和(自身を除く): 409943044

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 409, 487, 546, 818, 974, 1092, 1227, 1461, 1636, 1948, 2454, 2863, 2922, 3409, 4908, 5317, 5726, 5844, 6331, 6818, 8589, 10227, 10634, 11452, 12662, 13636, 15951, 17178, 18993, 20454, 21268, 25324, 31902, 34356, 37219, 37986, 40908, 44317, 63804, 74438, 75972, 88634, 111657, 132951, 148876, 177268, 199183, 223314, 265902, 398366, 446628, 531804, 597549, 796732, 1195098, 1394281, 2390196, 2589379, 2788562, 4182843, 5178758, 5577124, 7768137, 8365686, 10357516, 15536274, 16731372, 18125653, 31072548, 36251306, 54376959, 72502612, 108753918, 217507836]

約数ペア:

[(1, 217507836), (2, 108753918), (3, 72502612), (4, 54376959), (6, 36251306), (7, 31072548), (12, 18125653), (13, 16731372), (14, 15536274), (21, 10357516), (26, 8365686), (28, 7768137), (39, 5577124), (42, 5178758), (52, 4182843), (78, 2788562), (84, 2589379), (91, 2390196), (156, 1394281), (182, 1195098), (273, 796732), (364, 597549), (409, 531804), (487, 446628), (546, 398366), (818, 265902), (974, 223314), (1092, 199183), (1227, 177268), (1461, 148876), (1636, 132951), (1948, 111657), (2454, 88634), (2863, 75972), (2922, 74438), (3409, 63804), (4908, 44317), (5317, 40908), (5726, 37986), (5844, 37219), (6331, 34356), (6818, 31902), (8589, 25324), (10227, 21268), (10634, 20454), (11452, 18993), (12662, 17178), (13636, 15951)]