489156804

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{7681}}^1$

素因数の和:7781

約数の個数: 72

約数和(自身を含む): 1300255320

約数和(自身を除く): 811098516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 61, 87, 116, 122, 174, 183, 244, 261, 348, 366, 522, 549, 732, 1044, 1098, 1769, 2196, 3538, 5307, 7076, 7681, 10614, 15362, 15921, 21228, 23043, 30724, 31842, 46086, 63684, 69129, 92172, 138258, 222749, 276516, 445498, 468541, 668247, 890996, 937082, 1336494, 1405623, 1874164, 2004741, 2672988, 2811246, 4009482, 4216869, 5622492, 8018964, 8433738, 13587689, 16867476, 27175378, 40763067, 54350756, 81526134, 122289201, 163052268, 244578402, 489156804]

約数ペア:

[(1, 489156804), (2, 244578402), (3, 163052268), (4, 122289201), (6, 81526134), (9, 54350756), (12, 40763067), (18, 27175378), (29, 16867476), (36, 13587689), (58, 8433738), (61, 8018964), (87, 5622492), (116, 4216869), (122, 4009482), (174, 2811246), (183, 2672988), (244, 2004741), (261, 1874164), (348, 1405623), (366, 1336494), (522, 937082), (549, 890996), (732, 668247), (1044, 468541), (1098, 445498), (1769, 276516), (2196, 222749), (3538, 138258), (5307, 92172), (7076, 69129), (7681, 63684), (10614, 46086), (15362, 31842), (15921, 30724), (21228, 23043)]