218577762484

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{1753}}^1$

素因数の和:2181

約数の個数: 72

約数和(自身を含む): 399899371200

約数和(自身を除く): 181321608716

約数列:

[1, 2, 4, 31, 62, 124, 163, 199, 326, 398, 652, 796, 961, 1753, 1922, 3506, 3844, 5053, 6169, 7012, 10106, 12338, 20212, 24676, 32437, 54343, 64874, 108686, 129748, 156643, 191239, 217372, 285739, 313286, 348847, 382478, 571478, 626572, 697694, 764956, 1005547, 1142956, 1395388, 1684633, 2011094, 3369266, 4022188, 6738532, 8857909, 10814257, 17715818, 21628514, 31171957, 35431636, 43257028, 56862061, 62343914, 113724122, 124687828, 227448244, 274595179, 335241967, 549190358, 670483934, 1098380716, 1340967868, 1762723891, 3525447782, 7050895564, 54644440621, 109288881242, 218577762484]

約数ペア:

[(1, 218577762484), (2, 109288881242), (4, 54644440621), (31, 7050895564), (62, 3525447782), (124, 1762723891), (163, 1340967868), (199, 1098380716), (326, 670483934), (398, 549190358), (652, 335241967), (796, 274595179), (961, 227448244), (1753, 124687828), (1922, 113724122), (3506, 62343914), (3844, 56862061), (5053, 43257028), (6169, 35431636), (7012, 31171957), (10106, 21628514), (12338, 17715818), (20212, 10814257), (24676, 8857909), (32437, 6738532), (54343, 4022188), (64874, 3369266), (108686, 2011094), (129748, 1684633), (156643, 1395388), (191239, 1142956), (217372, 1005547), (285739, 764956), (313286, 697694), (348847, 626572), (382478, 571478)]