213040828

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:744

約数の個数: 108

約数和(自身を含む): 514113096

約数和(自身を除く): 301072268

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 121, 143, 154, 182, 196, 242, 286, 308, 364, 484, 539, 572, 637, 691, 847, 1001, 1078, 1274, 1382, 1573, 1694, 2002, 2156, 2548, 2764, 3146, 3388, 4004, 4837, 5929, 6292, 7007, 7601, 8983, 9674, 11011, 11858, 14014, 15202, 17966, 19348, 22022, 23716, 28028, 30404, 33859, 35932, 44044, 53207, 62881, 67718, 77077, 83611, 98813, 106414, 125762, 135436, 154154, 167222, 197626, 212828, 251524, 308308, 334444, 372449, 395252, 440167, 585277, 691691, 744898, 880334, 1086943, 1170554, 1383382, 1489796, 1760668, 2173886, 2341108, 2766764, 4096939, 4347772, 4841837, 7608601, 8193878, 9683674, 15217202, 16387756, 19367348, 30434404, 53260207, 106520414, 213040828]

約数ペア:

[(1, 213040828), (2, 106520414), (4, 53260207), (7, 30434404), (11, 19367348), (13, 16387756), (14, 15217202), (22, 9683674), (26, 8193878), (28, 7608601), (44, 4841837), (49, 4347772), (52, 4096939), (77, 2766764), (91, 2341108), (98, 2173886), (121, 1760668), (143, 1489796), (154, 1383382), (182, 1170554), (196, 1086943), (242, 880334), (286, 744898), (308, 691691), (364, 585277), (484, 440167), (539, 395252), (572, 372449), (637, 334444), (691, 308308), (847, 251524), (1001, 212828), (1078, 197626), (1274, 167222), (1382, 154154), (1573, 135436), (1694, 125762), (2002, 106414), (2156, 98813), (2548, 83611), (2764, 77077), (3146, 67718), (3388, 62881), (4004, 53207), (4837, 44044), (5929, 35932), (6292, 33859), (7007, 30404), (7601, 28028), (8983, 23716), (9674, 22022), (11011, 19348), (11858, 17966), (14014, 15202)]