199229778

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7681}}^1$

素因数の和:7831

約数の個数: 48

約数和(自身を含む): 474563232

約数和(自身を除く): 275333454

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 131, 198, 262, 393, 786, 1179, 1441, 2358, 2882, 4323, 7681, 8646, 12969, 15362, 23043, 25938, 46086, 69129, 84491, 138258, 168982, 253473, 506946, 760419, 1006211, 1520838, 2012422, 3018633, 6037266, 9055899, 11068321, 18111798, 22136642, 33204963, 66409926, 99614889, 199229778]

約数ペア:

[(1, 199229778), (2, 99614889), (3, 66409926), (6, 33204963), (9, 22136642), (11, 18111798), (18, 11068321), (22, 9055899), (33, 6037266), (66, 3018633), (99, 2012422), (131, 1520838), (198, 1006211), (262, 760419), (393, 506946), (786, 253473), (1179, 168982), (1441, 138258), (2358, 84491), (2882, 69129), (4323, 46086), (7681, 25938), (8646, 23043), (12969, 15362)]