1638994490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{32839}}^1$

素因数の和:32907

約数の個数: 64

約数和(自身を含む): 3631841280

約数和(自身を除く): 1992846790

約数列:

[1, 2, 5, 7, 10, 14, 23, 31, 35, 46, 62, 70, 115, 155, 161, 217, 230, 310, 322, 434, 713, 805, 1085, 1426, 1610, 2170, 3565, 4991, 7130, 9982, 24955, 32839, 49910, 65678, 164195, 229873, 328390, 459746, 755297, 1018009, 1149365, 1510594, 2036018, 2298730, 3776485, 5090045, 5287079, 7126063, 7552970, 10180090, 10574158, 14252126, 23414207, 26435395, 35630315, 46828414, 52870790, 71260630, 117071035, 163899449, 234142070, 327798898, 819497245, 1638994490]

約数ペア:

[(1, 1638994490), (2, 819497245), (5, 327798898), (7, 234142070), (10, 163899449), (14, 117071035), (23, 71260630), (31, 52870790), (35, 46828414), (46, 35630315), (62, 26435395), (70, 23414207), (115, 14252126), (155, 10574158), (161, 10180090), (217, 7552970), (230, 7126063), (310, 5287079), (322, 5090045), (434, 3776485), (713, 2298730), (805, 2036018), (1085, 1510594), (1426, 1149365), (1610, 1018009), (2170, 755297), (3565, 459746), (4991, 328390), (7130, 229873), (9982, 164195), (24955, 65678), (32839, 49910)]