211079778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20347}}^1$

素因数の和:20391

約数の個数: 64

約数和(自身を含む): 546954240

約数和(自身を除く): 335874462

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 3458, 5187, 10374, 20347, 40694, 61041, 122082, 142429, 264511, 284858, 386593, 427287, 529022, 773186, 793533, 854574, 1159779, 1587066, 1851577, 2319558, 2706151, 3703154, 5025709, 5412302, 5554731, 8118453, 10051418, 11109462, 15077127, 16236906, 30154254, 35179963, 70359926, 105539889, 211079778]

約数ペア:

[(1, 211079778), (2, 105539889), (3, 70359926), (6, 35179963), (7, 30154254), (13, 16236906), (14, 15077127), (19, 11109462), (21, 10051418), (26, 8118453), (38, 5554731), (39, 5412302), (42, 5025709), (57, 3703154), (78, 2706151), (91, 2319558), (114, 1851577), (133, 1587066), (182, 1159779), (247, 854574), (266, 793533), (273, 773186), (399, 529022), (494, 427287), (546, 386593), (741, 284858), (798, 264511), (1482, 142429), (1729, 122082), (3458, 61041), (5187, 40694), (10374, 20347)]