163979660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{1153}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 371846496

約数和(自身を除く): 207866836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 547, 1094, 1153, 2188, 2306, 2735, 4612, 5470, 5765, 7111, 10940, 11530, 14222, 14989, 23060, 28444, 29978, 35555, 59956, 71110, 74945, 142220, 149890, 299780, 630691, 1261382, 2522764, 3153455, 6306910, 8198983, 12613820, 16397966, 32795932, 40994915, 81989830, 163979660]

約数ペア:

[(1, 163979660), (2, 81989830), (4, 40994915), (5, 32795932), (10, 16397966), (13, 12613820), (20, 8198983), (26, 6306910), (52, 3153455), (65, 2522764), (130, 1261382), (260, 630691), (547, 299780), (1094, 149890), (1153, 142220), (2188, 74945), (2306, 71110), (2735, 59956), (4612, 35555), (5470, 29978), (5765, 28444), (7111, 23060), (10940, 14989), (11530, 14222)]