639348732

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{55673}}^1$

素因数の和:55723

約数の個数: 72

約数和(自身を含む): 1823880240

約数和(自身を除く): 1184531508

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 58, 66, 87, 99, 116, 132, 174, 198, 261, 319, 348, 396, 522, 638, 957, 1044, 1276, 1914, 2871, 3828, 5742, 11484, 55673, 111346, 167019, 222692, 334038, 501057, 612403, 668076, 1002114, 1224806, 1614517, 1837209, 2004228, 2449612, 3229034, 3674418, 4843551, 5511627, 6458068, 7348836, 9687102, 11023254, 14530653, 17759687, 19374204, 22046508, 29061306, 35519374, 53279061, 58122612, 71038748, 106558122, 159837183, 213116244, 319674366, 639348732]

約数ペア:

[(1, 639348732), (2, 319674366), (3, 213116244), (4, 159837183), (6, 106558122), (9, 71038748), (11, 58122612), (12, 53279061), (18, 35519374), (22, 29061306), (29, 22046508), (33, 19374204), (36, 17759687), (44, 14530653), (58, 11023254), (66, 9687102), (87, 7348836), (99, 6458068), (116, 5511627), (132, 4843551), (174, 3674418), (198, 3229034), (261, 2449612), (319, 2004228), (348, 1837209), (396, 1614517), (522, 1224806), (638, 1002114), (957, 668076), (1044, 612403), (1276, 501057), (1914, 334038), (2871, 222692), (3828, 167019), (5742, 111346), (11484, 55673)]