640914822

素因数分解:

$2^1\times 3^3\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{829}}^1$

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 1450176000

約数和(自身を除く): 809261178

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 103, 139, 206, 278, 309, 417, 618, 829, 834, 927, 1251, 1658, 1854, 2487, 2502, 2781, 3753, 4974, 5562, 7461, 7506, 14317, 14922, 22383, 28634, 42951, 44766, 85387, 85902, 115231, 128853, 170774, 230462, 256161, 257706, 345693, 386559, 512322, 691386, 768483, 773118, 1037079, 1536966, 2074158, 2305449, 3111237, 4610898, 6222474, 11868793, 23737586, 35606379, 71212758, 106819137, 213638274, 320457411, 640914822]

約数ペア:

[(1, 640914822), (2, 320457411), (3, 213638274), (6, 106819137), (9, 71212758), (18, 35606379), (27, 23737586), (54, 11868793), (103, 6222474), (139, 4610898), (206, 3111237), (278, 2305449), (309, 2074158), (417, 1536966), (618, 1037079), (829, 773118), (834, 768483), (927, 691386), (1251, 512322), (1658, 386559), (1854, 345693), (2487, 257706), (2502, 256161), (2781, 230462), (3753, 170774), (4974, 128853), (5562, 115231), (7461, 85902), (7506, 85387), (14317, 44766), (14922, 42951), (22383, 28634)]