208664796692

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{19687}}^1$

素因数の和:20133

約数の個数: 72

約数和(自身を含む): 409115064960

約数和(自身を除く): 200450268268

約数列:

[1, 2, 4, 11, 22, 44, 61, 121, 122, 242, 244, 359, 484, 671, 718, 1342, 1436, 2684, 3949, 7381, 7898, 14762, 15796, 19687, 21899, 29524, 39374, 43439, 43798, 78748, 86878, 87596, 173756, 216557, 240889, 433114, 481778, 866228, 963556, 1200907, 2382127, 2401814, 2649779, 4764254, 4803628, 5299558, 7067633, 9528508, 10599116, 13209977, 14135266, 26419954, 28270532, 52839908, 77743963, 145309747, 155487926, 290619494, 310975852, 431125613, 581238988, 855183593, 862251226, 1710367186, 1724502452, 3420734372, 4742381743, 9484763486, 18969526972, 52166199173, 104332398346, 208664796692]

約数ペア:

[(1, 208664796692), (2, 104332398346), (4, 52166199173), (11, 18969526972), (22, 9484763486), (44, 4742381743), (61, 3420734372), (121, 1724502452), (122, 1710367186), (242, 862251226), (244, 855183593), (359, 581238988), (484, 431125613), (671, 310975852), (718, 290619494), (1342, 155487926), (1436, 145309747), (2684, 77743963), (3949, 52839908), (7381, 28270532), (7898, 26419954), (14762, 14135266), (15796, 13209977), (19687, 10599116), (21899, 9528508), (29524, 7067633), (39374, 5299558), (43439, 4803628), (43798, 4764254), (78748, 2649779), (86878, 2401814), (87596, 2382127), (173756, 1200907), (216557, 963556), (240889, 866228), (433114, 481778)]