201956909

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 281886720

約数和(自身を除く): 79929811

約数列:

[1, 7, 11, 19, 31, 61, 73, 77, 133, 209, 217, 341, 427, 511, 589, 671, 803, 1159, 1387, 1463, 1891, 2263, 2387, 4123, 4453, 4697, 5621, 6479, 8113, 9709, 12749, 13237, 15257, 15841, 20801, 24893, 31171, 35929, 42997, 45353, 48983, 84607, 89243, 106799, 138043, 145607, 174251, 251503, 300979, 342881, 395219, 472967, 592249, 930677, 966301, 1518473, 2622817, 2766533, 3310769, 6514739, 10629311, 18359719, 28850987, 201956909]

約数ペア:

[(1, 201956909), (7, 28850987), (11, 18359719), (19, 10629311), (31, 6514739), (61, 3310769), (73, 2766533), (77, 2622817), (133, 1518473), (209, 966301), (217, 930677), (341, 592249), (427, 472967), (511, 395219), (589, 342881), (671, 300979), (803, 251503), (1159, 174251), (1387, 145607), (1463, 138043), (1891, 106799), (2263, 89243), (2387, 84607), (4123, 48983), (4453, 45353), (4697, 42997), (5621, 35929), (6479, 31171), (8113, 24893), (9709, 20801), (12749, 15841), (13237, 15257)]