199904128

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 411998400

約数和(自身を除く): 212094272

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 79, 106, 128, 158, 212, 316, 373, 424, 632, 746, 848, 1264, 1492, 1696, 2528, 2984, 3392, 4187, 5056, 5968, 6784, 8374, 10112, 11936, 16748, 19769, 23872, 29467, 33496, 39538, 47744, 58934, 66992, 79076, 117868, 133984, 158152, 235736, 267968, 316304, 471472, 535936, 632608, 942944, 1265216, 1561751, 1885888, 2530432, 3123502, 3771776, 6247004, 12494008, 24988016, 49976032, 99952064, 199904128]

約数ペア:

[(1, 199904128), (2, 99952064), (4, 49976032), (8, 24988016), (16, 12494008), (32, 6247004), (53, 3771776), (64, 3123502), (79, 2530432), (106, 1885888), (128, 1561751), (158, 1265216), (212, 942944), (316, 632608), (373, 535936), (424, 471472), (632, 316304), (746, 267968), (848, 235736), (1264, 158152), (1492, 133984), (1696, 117868), (2528, 79076), (2984, 66992), (3392, 58934), (4187, 47744), (5056, 39538), (5968, 33496), (6784, 29467), (8374, 23872), (10112, 19769), (11936, 16748)]