28380618

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1$

素因数の和:913

約数の個数: 80

約数和(自身を含む): 75271680

約数和(自身を除く): 46891062

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 81, 87, 126, 162, 174, 189, 203, 261, 378, 406, 522, 567, 609, 783, 863, 1134, 1218, 1566, 1726, 1827, 2349, 2589, 3654, 4698, 5178, 5481, 6041, 7767, 10962, 12082, 15534, 16443, 18123, 23301, 25027, 32886, 36246, 46602, 50054, 54369, 69903, 75081, 108738, 139806, 150162, 163107, 175189, 225243, 326214, 350378, 450486, 489321, 525567, 675729, 978642, 1051134, 1351458, 1576701, 2027187, 3153402, 4054374, 4730103, 9460206, 14190309, 28380618]

約数ペア:

[(1, 28380618), (2, 14190309), (3, 9460206), (6, 4730103), (7, 4054374), (9, 3153402), (14, 2027187), (18, 1576701), (21, 1351458), (27, 1051134), (29, 978642), (42, 675729), (54, 525567), (58, 489321), (63, 450486), (81, 350378), (87, 326214), (126, 225243), (162, 175189), (174, 163107), (189, 150162), (203, 139806), (261, 108738), (378, 75081), (406, 69903), (522, 54369), (567, 50054), (609, 46602), (783, 36246), (863, 32886), (1134, 25027), (1218, 23301), (1566, 18123), (1726, 16443), (1827, 15534), (2349, 12082), (2589, 10962), (3654, 7767), (4698, 6041), (5178, 5481)]