646021908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{8087}}^1$

素因数の和:8421

約数の個数: 72

約数和(自身を含む): 1872404352

約数和(自身を除く): 1226382444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 317, 634, 951, 1268, 1902, 2219, 2853, 3804, 4438, 5706, 6657, 8087, 8876, 11412, 13314, 16174, 19971, 24261, 26628, 32348, 39942, 48522, 56609, 72783, 79884, 97044, 113218, 145566, 169827, 226436, 291132, 339654, 509481, 679308, 1018962, 2037924, 2563579, 5127158, 7690737, 10254316, 15381474, 17945053, 23072211, 30762948, 35890106, 46144422, 53835159, 71780212, 92288844, 107670318, 161505477, 215340636, 323010954, 646021908]

約数ペア:

[(1, 646021908), (2, 323010954), (3, 215340636), (4, 161505477), (6, 107670318), (7, 92288844), (9, 71780212), (12, 53835159), (14, 46144422), (18, 35890106), (21, 30762948), (28, 23072211), (36, 17945053), (42, 15381474), (63, 10254316), (84, 7690737), (126, 5127158), (252, 2563579), (317, 2037924), (634, 1018962), (951, 679308), (1268, 509481), (1902, 339654), (2219, 291132), (2853, 226436), (3804, 169827), (4438, 145566), (5706, 113218), (6657, 97044), (8087, 79884), (8876, 72783), (11412, 56609), (13314, 48522), (16174, 39942), (19971, 32348), (24261, 26628)]