639448464

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{4451}}^1$

素因数の和:4576

約数の個数: 80

約数和(自身を含む): 1715765184

約数和(自身を除く): 1076316720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 73, 82, 123, 146, 164, 219, 246, 292, 328, 438, 492, 584, 656, 876, 984, 1168, 1752, 1968, 2993, 3504, 4451, 5986, 8902, 8979, 11972, 13353, 17804, 17958, 23944, 26706, 35608, 35916, 47888, 53412, 71216, 71832, 106824, 143664, 182491, 213648, 324923, 364982, 547473, 649846, 729964, 974769, 1094946, 1299692, 1459928, 1949538, 2189892, 2599384, 2919856, 3899076, 4379784, 5198768, 7798152, 8759568, 13321843, 15596304, 26643686, 39965529, 53287372, 79931058, 106574744, 159862116, 213149488, 319724232, 639448464]

約数ペア:

[(1, 639448464), (2, 319724232), (3, 213149488), (4, 159862116), (6, 106574744), (8, 79931058), (12, 53287372), (16, 39965529), (24, 26643686), (41, 15596304), (48, 13321843), (73, 8759568), (82, 7798152), (123, 5198768), (146, 4379784), (164, 3899076), (219, 2919856), (246, 2599384), (292, 2189892), (328, 1949538), (438, 1459928), (492, 1299692), (584, 1094946), (656, 974769), (876, 729964), (984, 649846), (1168, 547473), (1752, 364982), (1968, 324923), (2993, 213648), (3504, 182491), (4451, 143664), (5986, 106824), (8902, 71832), (8979, 71216), (11972, 53412), (13353, 47888), (17804, 35916), (17958, 35608), (23944, 26706)]