2151146990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{51673}}^1$

素因数の和:51884

約数の個数: 32

約数和(自身を含む): 4062816576

約数和(自身を除く): 1911669586

約数列:

[1, 2, 5, 10, 23, 46, 115, 181, 230, 362, 905, 1810, 4163, 8326, 20815, 41630, 51673, 103346, 258365, 516730, 1188479, 2376958, 5942395, 9352813, 11884790, 18705626, 46764065, 93528130, 215114699, 430229398, 1075573495, 2151146990]

約数ペア:

[(1, 2151146990), (2, 1075573495), (5, 430229398), (10, 215114699), (23, 93528130), (46, 46764065), (115, 18705626), (181, 11884790), (230, 9352813), (362, 5942395), (905, 2376958), (1810, 1188479), (4163, 516730), (8326, 258365), (20815, 103346), (41630, 51673)]