639045506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{15761}}^1$

素因数の和:15890

約数の個数: 32

約数和(自身を含む): 1112166720

約数和(自身を除く): 473121214

約数列:

[1, 2, 11, 19, 22, 38, 97, 194, 209, 418, 1067, 1843, 2134, 3686, 15761, 20273, 31522, 40546, 173371, 299459, 346742, 598918, 1528817, 3057634, 3294049, 6588098, 16816987, 29047523, 33633974, 58095046, 319522753, 639045506]

約数ペア:

[(1, 639045506), (2, 319522753), (11, 58095046), (19, 33633974), (22, 29047523), (38, 16816987), (97, 6588098), (194, 3294049), (209, 3057634), (418, 1528817), (1067, 598918), (1843, 346742), (2134, 299459), (3686, 173371), (15761, 40546), (20273, 31522)]