646428952

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 1331114400

約数和(自身を除く): 684685448

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 139, 194, 278, 388, 461, 556, 776, 922, 1112, 1261, 1807, 1844, 2522, 3614, 3688, 5044, 5993, 7228, 10088, 11986, 13483, 14456, 23972, 26966, 44717, 47944, 53932, 64079, 89434, 107864, 128158, 175279, 178868, 256316, 350558, 357736, 512632, 581321, 701116, 833027, 1162642, 1402232, 1666054, 2325284, 3332108, 4650568, 6215663, 6664216, 12431326, 24862652, 49725304, 80803619, 161607238, 323214476, 646428952]

約数ペア:

[(1, 646428952), (2, 323214476), (4, 161607238), (8, 80803619), (13, 49725304), (26, 24862652), (52, 12431326), (97, 6664216), (104, 6215663), (139, 4650568), (194, 3332108), (278, 2325284), (388, 1666054), (461, 1402232), (556, 1162642), (776, 833027), (922, 701116), (1112, 581321), (1261, 512632), (1807, 357736), (1844, 350558), (2522, 256316), (3614, 178868), (3688, 175279), (5044, 128158), (5993, 107864), (7228, 89434), (10088, 64079), (11986, 53932), (13483, 47944), (14456, 44717), (23972, 26966)]