211218228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:418

約数の個数: 108

約数和(自身を含む): 584520300

約数和(自身を除く): 373302072

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 149, 156, 169, 233, 234, 298, 338, 447, 466, 468, 507, 596, 676, 699, 894, 932, 1014, 1341, 1398, 1521, 1788, 1937, 2028, 2097, 2682, 2796, 3029, 3042, 3874, 4194, 5364, 5811, 6058, 6084, 7748, 8388, 9087, 11622, 12116, 17433, 18174, 23244, 25181, 27261, 34717, 34866, 36348, 39377, 50362, 54522, 69434, 69732, 75543, 78754, 100724, 104151, 109044, 118131, 138868, 151086, 157508, 208302, 226629, 236262, 302172, 312453, 354393, 416604, 451321, 453258, 472524, 624906, 708786, 902642, 906516, 1249812, 1353963, 1417572, 1805284, 2707926, 4061889, 5415852, 5867173, 8123778, 11734346, 16247556, 17601519, 23468692, 35203038, 52804557, 70406076, 105609114, 211218228]

約数ペア:

[(1, 211218228), (2, 105609114), (3, 70406076), (4, 52804557), (6, 35203038), (9, 23468692), (12, 17601519), (13, 16247556), (18, 11734346), (26, 8123778), (36, 5867173), (39, 5415852), (52, 4061889), (78, 2707926), (117, 1805284), (149, 1417572), (156, 1353963), (169, 1249812), (233, 906516), (234, 902642), (298, 708786), (338, 624906), (447, 472524), (466, 453258), (468, 451321), (507, 416604), (596, 354393), (676, 312453), (699, 302172), (894, 236262), (932, 226629), (1014, 208302), (1341, 157508), (1398, 151086), (1521, 138868), (1788, 118131), (1937, 109044), (2028, 104151), (2097, 100724), (2682, 78754), (2796, 75543), (3029, 69732), (3042, 69434), (3874, 54522), (4194, 50362), (5364, 39377), (5811, 36348), (6058, 34866), (6084, 34717), (7748, 27261), (8388, 25181), (9087, 23244), (11622, 18174), (12116, 17433)]