217956486

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{971}}^1$

素因数の和:1185

約数の個数: 64

約数和(自身を含む): 503884800

約数和(自身を除く): 285928314

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 179, 209, 358, 418, 537, 627, 971, 1074, 1254, 1942, 1969, 2913, 3401, 3938, 5826, 5907, 6802, 10203, 10681, 11814, 18449, 20406, 21362, 32043, 36898, 37411, 55347, 64086, 74822, 110694, 112233, 173809, 202939, 224466, 347618, 405878, 521427, 608817, 1042854, 1217634, 1911899, 3302371, 3823798, 5735697, 6604742, 9907113, 11471394, 19814226, 36326081, 72652162, 108978243, 217956486]

約数ペア:

[(1, 217956486), (2, 108978243), (3, 72652162), (6, 36326081), (11, 19814226), (19, 11471394), (22, 9907113), (33, 6604742), (38, 5735697), (57, 3823798), (66, 3302371), (114, 1911899), (179, 1217634), (209, 1042854), (358, 608817), (418, 521427), (537, 405878), (627, 347618), (971, 224466), (1074, 202939), (1254, 173809), (1942, 112233), (1969, 110694), (2913, 74822), (3401, 64086), (3938, 55347), (5826, 37411), (5907, 36898), (6802, 32043), (10203, 21362), (10681, 20406), (11814, 18449)]