217888924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{449}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 428652000

約数和(自身を除く): 210763076

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 269, 449, 451, 538, 898, 902, 1076, 1796, 1804, 2959, 4939, 5918, 9878, 11029, 11836, 18409, 19756, 22058, 36818, 44116, 73636, 120781, 121319, 202499, 241562, 242638, 404998, 483124, 485276, 809996, 1328591, 2657182, 4952021, 5314364, 9904042, 19808084, 54472231, 108944462, 217888924]

約数ペア:

[(1, 217888924), (2, 108944462), (4, 54472231), (11, 19808084), (22, 9904042), (41, 5314364), (44, 4952021), (82, 2657182), (164, 1328591), (269, 809996), (449, 485276), (451, 483124), (538, 404998), (898, 242638), (902, 241562), (1076, 202499), (1796, 121319), (1804, 120781), (2959, 73636), (4939, 44116), (5918, 36818), (9878, 22058), (11029, 19756), (11836, 18409)]