209156636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1523}}^1$

素因数の和:1698

約数の個数: 48

約数和(自身を含む): 418185600

約数和(自身を除く): 209028964

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 139, 247, 278, 494, 556, 988, 1523, 1807, 2641, 3046, 3614, 5282, 6092, 7228, 10564, 19799, 28937, 34333, 39598, 57874, 68666, 79196, 115748, 137332, 211697, 376181, 423394, 752362, 846788, 1504724, 2752061, 4022243, 5504122, 8044486, 11008244, 16088972, 52289159, 104578318, 209156636]

約数ペア:

[(1, 209156636), (2, 104578318), (4, 52289159), (13, 16088972), (19, 11008244), (26, 8044486), (38, 5504122), (52, 4022243), (76, 2752061), (139, 1504724), (247, 846788), (278, 752362), (494, 423394), (556, 376181), (988, 211697), (1523, 137332), (1807, 115748), (2641, 79196), (3046, 68666), (3614, 57874), (5282, 39598), (6092, 34333), (7228, 28937), (10564, 19799)]