71443724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 153503280

約数和(自身を除く): 82059556

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 121, 187, 209, 242, 323, 374, 418, 457, 484, 646, 748, 836, 914, 1292, 1828, 2057, 2299, 3553, 4114, 4598, 5027, 7106, 7769, 8228, 8683, 9196, 10054, 14212, 15538, 17366, 20108, 31076, 34732, 39083, 55297, 78166, 85459, 95513, 110594, 147611, 156332, 170918, 191026, 221188, 295222, 341836, 382052, 590444, 940049, 1050643, 1623721, 1880098, 2101286, 3247442, 3760196, 4202572, 6494884, 17860931, 35721862, 71443724]

約数ペア:

[(1, 71443724), (2, 35721862), (4, 17860931), (11, 6494884), (17, 4202572), (19, 3760196), (22, 3247442), (34, 2101286), (38, 1880098), (44, 1623721), (68, 1050643), (76, 940049), (121, 590444), (187, 382052), (209, 341836), (242, 295222), (323, 221188), (374, 191026), (418, 170918), (457, 156332), (484, 147611), (646, 110594), (748, 95513), (836, 85459), (914, 78166), (1292, 55297), (1828, 39083), (2057, 34732), (2299, 31076), (3553, 20108), (4114, 17366), (4598, 15538), (5027, 14212), (7106, 10054), (7769, 9196), (8228, 8683)]