217669972

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 460615680

約数和(自身を除く): 242945708

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 47, 52, 62, 68, 94, 124, 169, 188, 221, 338, 403, 442, 527, 611, 676, 799, 806, 884, 1054, 1222, 1457, 1598, 1612, 2108, 2197, 2444, 2873, 2914, 3196, 4394, 5239, 5746, 5828, 6851, 7943, 8788, 10387, 10478, 11492, 13702, 15886, 18941, 20774, 20956, 24769, 27404, 31772, 37349, 37882, 41548, 49538, 68107, 74698, 75764, 89063, 99076, 103259, 135031, 136214, 149396, 178126, 206518, 246233, 270062, 272428, 321997, 356252, 413036, 492466, 540124, 643994, 984932, 1157819, 1287988, 1755403, 2315638, 3201029, 3510806, 4185961, 4631276, 6402058, 7021612, 8371922, 12804116, 16743844, 54417493, 108834986, 217669972]

約数ペア:

[(1, 217669972), (2, 108834986), (4, 54417493), (13, 16743844), (17, 12804116), (26, 8371922), (31, 7021612), (34, 6402058), (47, 4631276), (52, 4185961), (62, 3510806), (68, 3201029), (94, 2315638), (124, 1755403), (169, 1287988), (188, 1157819), (221, 984932), (338, 643994), (403, 540124), (442, 492466), (527, 413036), (611, 356252), (676, 321997), (799, 272428), (806, 270062), (884, 246233), (1054, 206518), (1222, 178126), (1457, 149396), (1598, 136214), (1612, 135031), (2108, 103259), (2197, 99076), (2444, 89063), (2873, 75764), (2914, 74698), (3196, 68107), (4394, 49538), (5239, 41548), (5746, 37882), (5828, 37349), (6851, 31772), (7943, 27404), (8788, 24769), (10387, 20956), (10478, 20774), (11492, 18941), (13702, 15886)]