221570492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 464849280

約数和(自身を除く): 243278788

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 83, 143, 166, 169, 286, 332, 338, 359, 572, 676, 718, 913, 1079, 1436, 1826, 1859, 2158, 3652, 3718, 3949, 4316, 4667, 7436, 7898, 9334, 11869, 14027, 15796, 18668, 23738, 28054, 29797, 47476, 51337, 56108, 59594, 60671, 102674, 119188, 121342, 154297, 205348, 242684, 308594, 327767, 387361, 617188, 655534, 667381, 774722, 1311068, 1334762, 1549444, 2669524, 4260971, 5035693, 8521942, 10071386, 17043884, 20142772, 55392623, 110785246, 221570492]

約数ペア:

[(1, 221570492), (2, 110785246), (4, 55392623), (11, 20142772), (13, 17043884), (22, 10071386), (26, 8521942), (44, 5035693), (52, 4260971), (83, 2669524), (143, 1549444), (166, 1334762), (169, 1311068), (286, 774722), (332, 667381), (338, 655534), (359, 617188), (572, 387361), (676, 327767), (718, 308594), (913, 242684), (1079, 205348), (1436, 154297), (1826, 121342), (1859, 119188), (2158, 102674), (3652, 60671), (3718, 59594), (3949, 56108), (4316, 51337), (4667, 47476), (7436, 29797), (7898, 28054), (9334, 23738), (11869, 18668), (14027, 15796)]