211143548

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:376

約数の個数: 108

約数和(自身を含む): 490339080

約数和(自身を除く): 279195532

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 49, 58, 77, 98, 116, 121, 154, 196, 203, 242, 307, 308, 319, 406, 484, 539, 614, 638, 812, 847, 1078, 1228, 1276, 1421, 1694, 2149, 2156, 2233, 2842, 3377, 3388, 3509, 4298, 4466, 5684, 5929, 6754, 7018, 8596, 8903, 8932, 11858, 13508, 14036, 15043, 15631, 17806, 23639, 23716, 24563, 30086, 31262, 35612, 37147, 47278, 49126, 60172, 62321, 62524, 74294, 94556, 97933, 98252, 124642, 148588, 165473, 171941, 195866, 249284, 260029, 330946, 343882, 391732, 436247, 520058, 661892, 685531, 687764, 872494, 1040116, 1077263, 1371062, 1744988, 1820203, 2154526, 2742124, 3640406, 4309052, 4798717, 7280812, 7540841, 9597434, 15081682, 19194868, 30163364, 52785887, 105571774, 211143548]

約数ペア:

[(1, 211143548), (2, 105571774), (4, 52785887), (7, 30163364), (11, 19194868), (14, 15081682), (22, 9597434), (28, 7540841), (29, 7280812), (44, 4798717), (49, 4309052), (58, 3640406), (77, 2742124), (98, 2154526), (116, 1820203), (121, 1744988), (154, 1371062), (196, 1077263), (203, 1040116), (242, 872494), (307, 687764), (308, 685531), (319, 661892), (406, 520058), (484, 436247), (539, 391732), (614, 343882), (638, 330946), (812, 260029), (847, 249284), (1078, 195866), (1228, 171941), (1276, 165473), (1421, 148588), (1694, 124642), (2149, 98252), (2156, 97933), (2233, 94556), (2842, 74294), (3377, 62524), (3388, 62321), (3509, 60172), (4298, 49126), (4466, 47278), (5684, 37147), (5929, 35612), (6754, 31262), (7018, 30086), (8596, 24563), (8903, 23716), (8932, 23639), (11858, 17806), (13508, 15631), (14036, 15043)]