7885416564

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{123821}}^1$

素因数の和:123921

約数の個数: 72

約数和(自身を含む): 20958111720

約数和(自身を除く): 13072695156

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, 10614, 15921, 21228, 31842, 63684, 123821, 247642, 371463, 495284, 742926, 1114389, 1485852, 2228778, 3590809, 4457556, 7181618, 7553081, 10772427, 14363236, 15106162, 21544854, 22659243, 30212324, 32317281, 43089708, 45318486, 64634562, 67977729, 90636972, 129269124, 135955458, 219039349, 271910916, 438078698, 657118047, 876157396, 1314236094, 1971354141, 2628472188, 3942708282, 7885416564]

約数ペア:

[(1, 7885416564), (2, 3942708282), (3, 2628472188), (4, 1971354141), (6, 1314236094), (9, 876157396), (12, 657118047), (18, 438078698), (29, 271910916), (36, 219039349), (58, 135955458), (61, 129269124), (87, 90636972), (116, 67977729), (122, 64634562), (174, 45318486), (183, 43089708), (244, 32317281), (261, 30212324), (348, 22659243), (366, 21544854), (522, 15106162), (549, 14363236), (732, 10772427), (1044, 7553081), (1098, 7181618), (1769, 4457556), (2196, 3590809), (3538, 2228778), (5307, 1485852), (7076, 1114389), (10614, 742926), (15921, 495284), (21228, 371463), (31842, 247642), (63684, 123821)]