217963732

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:557

約数の個数: 96

約数和(自身を含む): 493903872

約数和(自身を除く): 275940140

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 43, 46, 68, 86, 92, 119, 161, 172, 238, 301, 322, 391, 463, 476, 602, 644, 731, 782, 926, 989, 1204, 1462, 1564, 1852, 1978, 2737, 2924, 3241, 3956, 5117, 5474, 6482, 6923, 7871, 10234, 10649, 10948, 12964, 13846, 15742, 16813, 19909, 20468, 21298, 27692, 31484, 33626, 39818, 42596, 55097, 67252, 74543, 79636, 110194, 117691, 139363, 149086, 181033, 220388, 235382, 278726, 298172, 338453, 362066, 457907, 470764, 557452, 676906, 724132, 915814, 1267231, 1353812, 1831628, 2369171, 2534462, 3205349, 4738342, 5068924, 6410698, 7784419, 9476684, 12821396, 15568838, 31137676, 54490933, 108981866, 217963732]

約数ペア:

[(1, 217963732), (2, 108981866), (4, 54490933), (7, 31137676), (14, 15568838), (17, 12821396), (23, 9476684), (28, 7784419), (34, 6410698), (43, 5068924), (46, 4738342), (68, 3205349), (86, 2534462), (92, 2369171), (119, 1831628), (161, 1353812), (172, 1267231), (238, 915814), (301, 724132), (322, 676906), (391, 557452), (463, 470764), (476, 457907), (602, 362066), (644, 338453), (731, 298172), (782, 278726), (926, 235382), (989, 220388), (1204, 181033), (1462, 149086), (1564, 139363), (1852, 117691), (1978, 110194), (2737, 79636), (2924, 74543), (3241, 67252), (3956, 55097), (5117, 42596), (5474, 39818), (6482, 33626), (6923, 31484), (7871, 27692), (10234, 21298), (10649, 20468), (10948, 19909), (12964, 16813), (13846, 15742)]