221400522

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{283}}^1\times {\mathrm{887}}^1$

素因数の和:1192

約数の個数: 72

約数和(自身を含む): 560622816

約数和(自身を除く): 339222294

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 283, 294, 441, 566, 849, 882, 887, 1698, 1774, 1981, 2547, 2661, 3962, 5094, 5322, 5943, 6209, 7983, 11886, 12418, 13867, 15966, 17829, 18627, 27734, 35658, 37254, 41601, 43463, 55881, 83202, 86926, 111762, 124803, 130389, 249606, 251021, 260778, 391167, 502042, 753063, 782334, 1506126, 1757147, 2259189, 3514294, 4518378, 5271441, 10542882, 12300029, 15814323, 24600058, 31628646, 36900087, 73800174, 110700261, 221400522]

約数ペア:

[(1, 221400522), (2, 110700261), (3, 73800174), (6, 36900087), (7, 31628646), (9, 24600058), (14, 15814323), (18, 12300029), (21, 10542882), (42, 5271441), (49, 4518378), (63, 3514294), (98, 2259189), (126, 1757147), (147, 1506126), (283, 782334), (294, 753063), (441, 502042), (566, 391167), (849, 260778), (882, 251021), (887, 249606), (1698, 130389), (1774, 124803), (1981, 111762), (2547, 86926), (2661, 83202), (3962, 55881), (5094, 43463), (5322, 41601), (5943, 37254), (6209, 35658), (7983, 27734), (11886, 18627), (12418, 17829), (13867, 15966)]