221694876

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^3\times {\mathrm{2803}}^1$

素因数の和:2852

約数の個数: 72

約数和(自身を含む): 607290320

約数和(自身を除く): 385595444

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 2197, 2803, 3042, 4394, 5606, 6084, 6591, 8409, 8788, 11212, 13182, 16818, 19773, 25227, 26364, 33636, 36439, 39546, 50454, 72878, 79092, 100908, 109317, 145756, 218634, 327951, 437268, 473707, 655902, 947414, 1311804, 1421121, 1894828, 2842242, 4263363, 5684484, 6158191, 8526726, 12316382, 17053452, 18474573, 24632764, 36949146, 55423719, 73898292, 110847438, 221694876]

約数ペア:

[(1, 221694876), (2, 110847438), (3, 73898292), (4, 55423719), (6, 36949146), (9, 24632764), (12, 18474573), (13, 17053452), (18, 12316382), (26, 8526726), (36, 6158191), (39, 5684484), (52, 4263363), (78, 2842242), (117, 1894828), (156, 1421121), (169, 1311804), (234, 947414), (338, 655902), (468, 473707), (507, 437268), (676, 327951), (1014, 218634), (1521, 145756), (2028, 109317), (2197, 100908), (2803, 79092), (3042, 72878), (4394, 50454), (5606, 39546), (6084, 36439), (6591, 33636), (8409, 26364), (8788, 25227), (11212, 19773), (13182, 16818)]