216281844

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 560250600

約数和(自身を除く): 343968756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 149, 183, 244, 298, 366, 447, 549, 596, 661, 732, 894, 1098, 1322, 1341, 1788, 1983, 2196, 2644, 2682, 3966, 5364, 5949, 7932, 9089, 11898, 18178, 23796, 27267, 36356, 40321, 54534, 80642, 81801, 98489, 109068, 120963, 161284, 163602, 196978, 241926, 295467, 327204, 362889, 393956, 483852, 590934, 725778, 886401, 1181868, 1451556, 1772802, 3545604, 6007829, 12015658, 18023487, 24031316, 36046974, 54070461, 72093948, 108140922, 216281844]

約数ペア:

[(1, 216281844), (2, 108140922), (3, 72093948), (4, 54070461), (6, 36046974), (9, 24031316), (12, 18023487), (18, 12015658), (36, 6007829), (61, 3545604), (122, 1772802), (149, 1451556), (183, 1181868), (244, 886401), (298, 725778), (366, 590934), (447, 483852), (549, 393956), (596, 362889), (661, 327204), (732, 295467), (894, 241926), (1098, 196978), (1322, 163602), (1341, 161284), (1788, 120963), (1983, 109068), (2196, 98489), (2644, 81801), (2682, 80642), (3966, 54534), (5364, 40321), (5949, 36356), (7932, 27267), (9089, 23796), (11898, 18178)]